Power Glows

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...and absolute power glows absolutely.

"We're the Stone Protectors, now you know Stone Protectors, our stones of power glow!" —Theme song to The Stone Protectors

"This hand of mine glows with an awesome power!" —Domon Kasshu, G Gundam

Power glows. The more power, the more glow. So, anything that glows is automatically presumed to be superior to otherwise identical things that don't glow, and more glow is better. This is closely related to the Rule of Cool because glowing is cool, so things that glow automatically get more Willing Suspension of Disbelief, allowing them to be more unrealistically powerful. They're often Color-Coded for Your Convenience, too. For example, evil glows bright red, good glows blue or gold, and radioactive materials glow green.

Glowing Eyes of Doom? Inherently superior to ordinary, everyday, garden-variety eyes of doom. Glowing Battle Aura? Opponents who don't glow won't stand a chance! Any physical object that glows will also be powerful somehow. Glowing sword vs. boring sword? Glowing sword wins, every time. Explodey things that emit a glow first are bigger, louder and/or do more damage, and if they were Sucking-In Lines first, they're even more so. The most powerful magical potions will also glow to signify their superiority over ordinary, non-glowing magical potions. And don't forget the inherent awesomeness of the Pillar of Light, which is Glow going to Heaven just to show how overwhelming it is.

Strangely enough, in real life glowing would usually indicate a wasting of energy, but it could still count as just the excess energy manifesting as light. A good example is in Mercedes Lackey's Velgarth series in which Gates and Portals only glow when energy is being used inefficiently.

Super-Trope to Battle Aura, Holy Halo, Volcanic Veins, and Phosphor Essence. See also: Power Crystal, Power Echoes, Power Floats, Power Makes Your Voice Deep, Pure Energy, Holy Backlight, Background Halo and Family-Friendly Firearms. Pre-Explosion Glow, Star-Spangled Spandex, Throat Light, and Sucking-In Lines are special cases of this trope. In media with audio, this is commonly a Whining Light. Very often overlaps with Powerup Full-Color Change.

If only certain people are aware of the glow you could be looking at Editorial Synaesthesia or even Aura Vision. May be used as a Fantastic Light Source as Mundane Utility.

Examples of Power Glows include:

Anime and Manga

• In Akira, at the moment of the greatest release of energy, everything is reduced to a bright white. Maximum glow for maximum power.
• As the trope image shows, the holy Gold Clothes(armors) from Saint Seiya sometimes glow...very much so.
• Gourry in The Slayers has an extremely powerful Sword of Light, much better than any other regular swords. He can chop through trees with his sword, and we're not talkin' fist-width saplings, either. It also makes lightsaber noises.
• Everything that has some sort of spiritual nature in Earth Maiden Arjuna gives off an awesome glow. Including Juna's Magical Girl transformation, as well as her energy bow Gan Deeva.
• Fate/stay night has Excalibur, the "ultimate weapon of humanity", able to convert the user's Mana into light energy and fire it as a destructive wave. Since it takes in the user's own power, it also changes color according to alignment.
• Some Initial D characters can tell roughly how good another driver is by the glowing aura around the driver and by extension, his car when the person is driving it.
• Many attacks in Pokémon glow (insert color here) before making things explode and blast off (Iron Tail, Focus Punch, Bubblebeam, etc).
  • Hello? Holographic Cards?
• The 2003 series of Astro Boy explains this by giving the titular robot a kind of surge-protector that somehow converts excess electricity into photons.
• Used in the In-Universe Suzumiya Haruhi Brigade-movie "The Adventures Of Mikuru Asahina", just like any other cliche-trope. When Koizumi's power is released, he glows blue-ish. Interestingly though, it does not appear to be the comically used Special Effect Failure, like with the Mikuru-Beam.
• If you notice yourself being bathed in a soft, pink light in Magical Girl Lyrical Nanoha, that is your signal to run fast and run far, because that soft light won't stay soft for long -- it comes from the massive pink glow that precedes Nanoha's Starlight Breaker.
  • If you find yourself in a similar situation in Dragonball Z, you're about to be blown up by Majin Buu. Generally speaking, soft, pink light is best avoided in Anime.
• Performing alchemy causes stuff to glow in Fullmetal Alchemist. This is actually used as a small plot point when Ed realises that he and Al can't use alchemy to sneak into the fifth laboratory, as the guard would see the glow.
• In the first few story arcs of Bleach, Ichigo's eyes/body glow a faint blue when he's harnessing a particularly high amount of 'spirit energy'. He later acquires a black/red glow upon achieving bankai. We see a few other characters with an aura as well, including Kenpachi (yellow) and Yachiru (pink). This seems to have been largely dropped by the Arrancar arc, however.
• Getter Robo has this for Getter Rays' use. Most designs of Getter-1 even include several clear panels on the face and some on the chest and limbs so they can light up when it's time to kick ass.
• Dragonball Z may not be the oldest example, but it might be the definitive one.
  • Actually inverted in the Android saga. The titular androids - cyborgs more powerful even than Frieza - are shown as extreme threats, despite their lack of any glow at all. In fact, Androids 17 and 18 are for a short time the two strongest beings in the DBZ universe, the latter totally trouncing the very glowy, newly Super-Saiyan Vegeta.
    • This is because the glowing Battle Auras are a product of ki energy, the source of nearly all DBZ fighters' superhuman powers. All, that is, except the Androids. The fact that their power is so different in nature was part of what made them so dangerous: all of the heroes can sense powerful ki from miles away, but one of the Androids could be standing right behind them and they wouldn't even know it. Which is exactly what happens to Yamcha. The results include a fist-shaped hole from his back to his chest.
  • Inverted again in the Buu saga. When Gohan achieved a new level of power beyond the glowy Super-Saiyan or even the glowier and sparky Super-Saiyan 2, his hair remained black and had almost no battle aura to speak of.
  • In Dragon Ball GT, both Goku and Baby as Golden Great Apes have a golden, glowy aura. Seeing as this is basically Super Saiyan Oozaru, it makes sense.
• The finale of the third arc of Robotech and during Robotech: The Shadow Chronicles, where Ariel glows whenever she's using creepy Invid powers.
• One Piece: Luffy's Gear Second gives his body a bright red glow. Yeah it's high-pressure blood in his body but it's still glowing. Also, Sanji's Diable Jambe (Devil's Leg) makes his foot glow a bright red.
  • Partially justified, because the idea of the attack is that he's heating up his leg with friction (without tearing his skin or clothes to shred). The heat then glows, like a toaster coil.
  • It should be noted, one of the most powerful Marines, Admiral Kizaru, literally turns into light.
• The "Shining Finger!" attack from G Gundam.
  • Not to mention all Shuffle Alliance members' Hyper Modes, which turn their Humongous Mecha into glowing gold incarnations of ass-kicking.
• Gundam 00 has the Gundams glow red and pink when they activate their Trans-Am systems.
• Both Zeta Gundam and Gundam ZZ had effects from the pilots resonating with their titular Mobile Suits' main device, the Bio-Sensor, making them glow pink and allow them to do kick-ass stuff.
• In Mobile Suit Gundam: Char's Counterattack, The Nu Gundam's Psycoframe gives off a green glow when Amuro's Newtype powers start to overload it.
• The same happens in Gundam Unicorn: the full Psycoframe under the RX-0's armour glows whenever its NT-D is activated. Its colour depends on the strength of the Newtype's abilities.
• Once every 22 years in Mahou Sensei Negima, the World Tree in Mahora glows with a brilliant light. This is from the magical energy within accumulating to the point where it overflows. When it's like this, it could grant wishes of the heart, from something as simple as making someone fall in love with you to convincing the entire world that magic exists.
• The Rebuild of Evangelion movies introduce this in spades. The most obvious example is what happens to Unit-01 at the end of the second movie: it starts going berserk and gets the usual Glowing Eyes of Doom. But so does its pilot. And the mecha's fluorescent green parts starts glowing sickly red. As well as the inside of its maw. Then it rebuilds its amputated arm as a glowy, proteiform appendage, grows a halo, shoots Eye Beams left and right and lose its armour only to reveal glowing white patches beneath it. By the time the credits flash, it has become a giant glowing figure of pure white. Unsurprisingly, its opponent is unable to resist such a brilliant display.
• Darker than Black is rather fond of this trope. Contractors using their powers glow blue (identified as Cherenkov radiation), and their eyes start shining red. Even more extreme when Hei gets a bit upset near an Amplifier Artifact, which makes the entire neighborhood glow.
• In Naruto, the titular character, as well as his fellow jinchuuriki, are engulfed in a glowing aura of chakra when in their demon forms (except Gaara, he gets covered in sand). This takes the form of the jinchuuriki's demon after the initial stage, at which point it is often time to run away. Of course, there IS a threshold past which the aura disappears in exchange for something far worse...
  • This is lampshaded when Naruto's controlled form of the 9-tails's chakra is actually used as a flashlight.
  • At the Fourth Raikage's Raiton: Yoroi (Lightning Armor) cover his body in lightning.
• In Yu Yu Hakusho, B Class and higher beings like Toguro, Yusuke, Bui, and Sensui often display bright auras when either manifesting their full power or when using a powerful attack. Especially powerful auras can cause adverse things to the wielder's surroundings: Toguro's can disintegrate anything drastically weaker than him, and the combined power of Sensui's Sacred Energy and Yusuke's new-found demonic power created massive earthquakes and twisters strong enough to kill A-Class beings in an instant.
• Then there's the ultimate attacks of the titular Super Robot in GaoGaiGar: Hell and Heaven has one fist glowing red and the other glowing yellow, while using the Goldion Hammer results in the entire robot glowing gold. This is then taken Up to Eleven in the OVA FINAL, where they introduce the world's biggest ban hammer that has a head several magnitudes larger than the handle and is made up of nothing but pure, glowing energy.
• Is no one going to mention the Spiral Energy of Tengen Toppa Gurren Lagann? While the glowing energy powered by Fighting Spirit(aka. Pure Manliness), is present from the first episode, it reaches new extremes nearly every other episode, until by the end, the main characters are piloting a Humongous Mecha 100 times the size of the Milky Way galaxy, which is not even actually a machine but a materialization of Spiral Energy. Its energy-based nature is shown by the fact that the torso of the mecha is mostly comprised of a flaming, glowing mass Spiral Energy.
• ARAGO
• In Tiger and Bunny, NEXT glow blue when they use their powers. Except for the members of Ouroboros, who glow orange because they're totally evil.
• In Puella Magi Madoka Magica, Madoka, as a Magical Girl, glows brightly enough you could mistake her for the sun in a few scenes.

Comic Books

• Pretty much a common trope in comics, especially as regards Psychic Powers. One should apparently be able to spot a telepath with ease thanks to the glowing energy field that emanates from their heads and usually flows out from them around the heads of those that they are using their powers on. Telekinesis likewise tends to consist of a colored energy field surrounding the affected objects. This does however depend somewhat on artistic preference of the creators:
  • This has become more and more common over the years in Marvel Comics, to the point where virtually any use of a super power will glow, even if the energy involved (magnetic, psionic, etc.) should not be visible to the naked eye. Justified due to Rule of Perception (i.e. the glow is the visual cue to the reader that something is happening.)
    • Amusingly, this one tends to vary a great deal with the depiction of the Invisible Woman of the Fantastic Four. Often her force fields, which are supposed to be invisible, were drawn with dotted lines or shading so that the reader knew where they were, even while it was presumed that characters could not see them. This invisibility was used dramatically during John Byrne's run, where the identity of the super-villain Malice and her powers were a mystery as she systematically took down the members of the team using completely unseen forces. It is only when Daredevil, who "sees" via a radar sense, shows up and asks about the "amorphous blob" they are fighting that they realize that it is Sue and her invisible force fields, thus saving the team from another Reed Richards Is Useless incident. More recent depictions, however, sometimes show Sue's power as a crackling energy field, not unlike those of other psionic characters.
    • In the early days of the X-Men comics, the powers of characters like Magneto, Marvel Girl and Professor X were often depicted with wavy lines, implying that they were not visible to others characters. Now they cannot seem to use their powers without unleashing incredible amounts of glow. This has been especially true whenever Jean (or anyone else) is channeling the Phoenix Force. In that case just performing a simple mindlink will result in actual flames flowing between them and the other person.
  • Notably inverted in some Valiant Comics prior to the takeover by Acclaim. Powerful psionics such as Toyo Harada and Peter Stanchek gave off no glow even when performing massive feats of power such as levitating large objects or ripping apart buildings. However, this trope was very much in force with Solar and Mothergod, whose power to manipulate all forms of energy was usually accompanied by geometric patterns of rainbow light.
• Doom Comic: "Might makes light. * BLAM!* * CLA-CLACK* And I feel mighty! * BLAM!*
• Immortal Iron Fist: the titular character's fist glows when he summons his chi.
• The constructs of the Green Lanterns are all made of glow.
• In Power Pack, one of the powers causes the kid using it at the time to glow when he or she is able to shoot energy balls. The brighter the glow, the more power he/she has stored up.
• Played for laugh in the French comic Dungeon Zenith vol. 2: The Barbarian Princess: the hero ask its speaking sword whether it has special powers. Yes: it glows in the dark. Enough to make him a target, not enough to be used as a light.
• Doctor Strange typically has orbs of light around his hands when spellcasting.
• In All Fall Down, Siphon exhibits this to a blinding degree shortly before she dies.

Fan Works

• The fact that the protagonist of Dragon Age: The Crown of Thorns gets his magic from a fairly unstable tear in the Veil, which he has in his body, means, among other things, that he starts glowing white whenever he does something unusual, either just from the eyes or his whole body, up to looking like a an ascended Ancient from Stargate SG-1.
• In Keepers of the Elements, the Keepers often have colour-coded power glows when casting spells. Other magical beings also have glows when casting spells.

Film

• The lightsabers in Star Wars are the logical conclusion of this phenomenon. No other weapon can beat a sword that's actually made out of glow!
• In the 1985 film The Last Dragon, there is The Glow: when a fighter's hands glow, he is among the best in the world - when his entire body glows, he IS the best. Sho'Nuff, the Shogun of Harlem, demonstrates the former towards the end of the movie, but Leroy "Bruce Leroy" Green demonstrates the latter after a beatdown.
• Tony Stark's arc reactor in the Iron Man movies glows very blue. Very vaguely justified in that it is producing electrical energy, and that whatever reaction happens in it might give off Cherenkov radiation. As for the repulsors... the workings of a palm-sized rocket/energy weapon are anyone's guess.
• From the same continuity as the above: The Tesseract from Captain America: The First Avenger. At the start of the film, Johann Schmidt comes across the artifact buried in the tomb of a Norwegian warrior, but we know it's fake because it doesn't glow. The real one, on the other hand, is like a small star.
  • The glow extends to Arnim Zola's Tesseract-powered weapons as well, all of which carry luminous blue power packs.
• In Pulp Fiction, the contents of the briefcase is never shown, but whatever it is glows.
• In the second Pokémon movie, to save Lugia, the three legendary bird Pokémon, and resolve all conflict, Melody had to play a tune on what looked like some sort of ocarina. The stones she played it next to glowed depending on what note she used, and then glowing water came out from nowhere and entered into the sea.
• Inverted in Indiana Jones and the Last Crusade, where the actual Holy Grail is the most mundane-looking wooden cup yet the gold-colored lining of the True Grail makes it appear to glow from the inside.
  • And before that, played straight in Temple of Doom with the stones of power that glow when they are together. (And get very hot, by the way)
    • Which can work without inviting magic. If the stones were radioactive and enveloped in a fluorescent substance, the effect could be quite close to what was seen in the movie - when you get more of it close together, the rate of radioactive decay gets up, which in turn means more heat and more light from the fluorescence. Of course, it probably weren't awfully healthy to keep them near yourself and touching them.
    • Of course, you still have to explain why they glow brighter and with more intensity when people chant at them.
• This happens to Cartman in South Park: Bigger, Longer & Uncut once he harnesses the power of his malfunctioning V-chip.
• The reagent in Re-Animator is not only a fine example of Technicolor Science, but also glowy.
• In Tangled, Rapunzel's Hair of Gold glows whenever she uses its powers of healing and immortality. She manages to take advantage of this when she and Flynn get trapped in a flooding cave and need to find a way out.
• In the film of Harry Potter and the Philosopher's Stone, a glow surrounds Harry when his wand chooses him. (A slightly different thing happened in the book.)
• Godzilla's dorsal fins flash or glow (depending on the film) when he's preparing to unleash his atomic ray.
• In Stardust, Yvanne defeats Lamia when she glows blindingly whilst hugging Tristan.
• In Contact, the Machine glows when it's turned on to demonstrate that Crazy Alien Technology Stuff Is Happening. The glow increases as the machine picks up speed.
• In WALL-E, not only does EVE glow very faintly (the better to invoke a Gaussian Girl), her presence and touch cause electrical lights to glow as well.

Literature

• In Chronicles of Thomas Covenant magical Power Glows Color-Coded for Your Convenience.
• J. R. R. Tolkien's The Lord of the Rings: orc-hating elvish swords and entire tower of Minas Morgul.
  • Gandalf invokes this trope when he adds lighting to explain the disappearance of Bilbo in his Birthday party.
• Mocked in A Song of Ice and Fire when Stannis gets Lightbringer, a literal glowing sword, but despises it because it doesn't do anything else better than most swords.
  • It is speculated that this is because it isn't the true Lightbringer, which would probably glow, but would actually be hot as well. So Power Glows, but so does a cheap glamour. Although it's worth noting that so far none of the actually superior swords have glowed.
• In The Dresden Files Harry more than once makes his staff/blasting rod glow, usually when he is about to smash something into the water table.
  • Also his much abused amulet, which glows whenever he uses it as a light/silver bullet against superpowered werewolves.
  • Then we have the Swords of the Cross, all of which glow with varying intensities depending on the wielder and situation. For instance Amoracchius once shines so brightly that it chargrills many light-hating hobs from 20 feet away. Similarly, when Murphy draws Fidelacchius it glows brightly enough to scare off Deirdre.
  • Any time Harry uses Soulfire or Hellfire.
• Subverted several times in the Discworld series. Because of the world's narrative causality, mundane items wielded with true conviction are often stronger than fancy magic weapons.
  • Justified in the case of Death's scythe and sword, since these are so sharp, they cut up the air molecules that happen to bump against them. This, of couse, causes lightning-like ionization.
• In James Swallow's Warhammer 40,000 novel Deus Encarmine, the Spear of Telesto. And Isskvan the Hated glows with anger.
  • And then the tomb of Sanguinius in Red Fury.
• All magic produces bright glows in Elantris, because it is the sign of the power of the Dor breaking in to the physical world. The most powerful practitioners of magic, the Elantrians actually glow non-stop, but other magic-users produce light with their powers as well.
  • Interestingly the glowing caused extra problems when the magic went away because The glow attracted a fungus which fed on and enhanced the light. When the magic failed and the glow disappeared the fungus died and rotted, coating all of the surfaces of Elantris in slime. This slime is partially responsible for why the city looks so much more decrepit than it should be.
• Stormlight, the primary magic power of The Stormlight Archive, glows, as one might expect from the name. A slight subversion in that most people use the glow more than the power itself, though it can be used to run Magitek.
• In Robert E. Howard's Conan the Barbarian story "Beyond the Black River", the forest demon glows.
• Katherine Kurtz's Deryni can produce spheres of cool light (called Hand Fire), and they can manifest glowing auras around their bodies. Ritual circles (and dueling circles) appear as glowing light. Colours tend to be hereditary (Haldane red, Corwyn green), and certain colours (green, silver, gold) are associated with Healing ability.
• Deconstructed and Played for Drama in Jessica Amanda Salmonson's The Golden Naginata: Unless it has been used to wound the kirin who guards it within the past month, the titular weapon's glow is so bright that it blinds anyone who sees it.
• More powerful Wizards like Septimus and Marcia in Septimus Heap get enveloped in a purple aura when they are spellcasting.
• Invoked in Dream Park, as holographic auras of appropriate intensity are overlaid on gamers' bodies when they activate their characters' magic.

Live Action TV

• In Stargate SG-1, the glowiness of a power source is directly proportional to how powerful it is. The most powerful, Project Arcturus, creates a giant glowy ball of pure energy.
  • Lampshaded in a later episode where determining whether a super powerful artifact is safe to handle amounts to "Well, it's not glowing anymore, so..."
• When someone glows on Doctor Who, something Badass is about to happen. Cases in point, the Bad Wolf and psychic supercharged Doctor.
• In Madan Senki Ryukendo, the Ultimate form of the title hero is ridiculously shiny, and his final attack even moreso.
• In Star Trek: The Next Generation, the Warp Core of the Enterprise has a band of glow running down it. The faster the Warpspeed, the faster-moving the glow. Star Trek does this a lot to show that things have power behind them.
  • That could simply be an indicator light.
  • It appears that electrical machinery also has an electromagnetic aura when viewed through Geordi's VISOR, as we got to see in one episode which gave us a perspective that went -quite literally- through his eyes. This includes the android, Data. Geordi is rather surprised to find that nobody but him can see this aura.
    • Then later Geordi fails to realize that another android built by the same guy who built Data isn't a human.
      • In this case, she was built with devices that mimic human life signs. It would stand to reason that they also shield any EM field emitted by the machinery. Otherwise, any old tricorder would be able to pick up the readings.
• In Babylon 5 when Delenn and the White Stars take on the Drakh, the Drakh weapons systems glow brighter and brighter to build up the tension as they prepare to fire.
• In the pilot for The Sarah Connor Chronicles, the crude Energy Weapon Cameron assembles in the safe of the bank only has enough power to kill Cromartie when the "isotope" powering it begins to glow.
• In Toku series, a basic rule is "if you make your sword or foot glow, it will gain the power to explode rubber monsters."
  • Kamen Rider Faiz had an interesting spin on it: The five Riders' costumes were covered with "veins" through which pumped a glowing substance that to powered them. In nighttime scenes, the "veins" and visors would glow, and use of a Finishing Move would cause a bead of energy to run from the belt (the main power source) to the Rider's foot or sword or whatever they were going to use to kick butt.
• When a magical Chekhov's Gun is found in Buffy the Vampire Slayer the following conversation is held:

Giles: It appears to be paranormal in origin. Willow: How can you tell? Giles: Well, it's so shiny.

• The Wonder Woman TV series: There is always one of those just when Diana Prince spins to change clothes into Wonder Woman. (Notice that there wasn't any Audible Gleam nor Power Glows in "The Feminum Mystique Part 1", the only episode in the series where Wonder Woman changes back into Diana Prince.

Tabletop Games

• Exalted puts this principle to good use: the more Essence you draw into your Charms over a scene (i.e. the more powerful you make your superpowered attacks), the more glow, or Anima (in the parlance of the game), you produce. It begins with your Caste mark faintly appearing on your forehead, progresses into a glowing field or effect which physically envelopes you in various ways, and culminates in your Anima Banner unfurling in some spectacular fashion. Once those Charms get about 16+ Essence pumped through them during a fight, a couple of battling Exalted can be seen unmistakably for miles around, and can even approximate daylight visibility conditions during the night.
  • Which might seem like a horrible disadvantage to the cause of stealth, except that an Exalted with 16+ Essence running through their Charms is more or less a Person of Mass Destruction at any rate, and not to be fucked with.
• In Dungeons & Dragons third edition, magic weapons have a 30% chance of glowing with light equivalent to that of a torch.
  • In fourth edition, if you don't want to have a bunch of (potentially handy) secondary effects, you can get a Fire, Ice, Poison, etc. enchantment. Activating the enchantment changes your next attack into the specific element type, nothing more. Except the Sun Sword enchantment, which gives divine damage and illuminates a large area around the sword itself. Great for slaying undead and certain types of abominations; NOT so great for doing so stealthily. Oddly enough, there's only a total of about five or six item enchantments that will mechanically give off light, although flavor text varies wildly.

Video Games

• In Super Smash Bros Brawl, characters will obtain a glowing aura, along with yellow eyes when they break a Smash Ball, an item that gives them the capacity to perform a personalized Finishing Move.
  • Lucario has a constant purple glow around his hands, representing his Aura powers. And he glows more as he takes damage, representing increased power.
• In Ultima 6 and 7, every single magical item glows brightly, using palette cycling. This is spoofed in various fanfics.
• In Neverwinter Nights magical weapons are also good light sources.
  • In the sequel, magic weapons have various glows depending on the enchantment. Holy glows, fire is flame-wreathed, and thundering has little puffs of ... something.
  • Ammon Jerro's Power Tattoo glows.
  • In Storm of Zehir, +1, +2 and so forth weapons glow in a way that looks like the devs wanted to simulate light glinting off a shiny surface, but couldn't make the graphics engine do the job.
• The player of Deus Ex gets a glowing nano sword. It is otherwise perfect for sneaky silent kills, but the bright glow tends to draw attention.
• In World of Warcraft, enchanters can put a glow on any weapon. Typically, the more powerful enchants glow brighter, and the type of enchantment determines the color of the glow.
  • In the Burning Crusade expansion to WoW, Blizzard one-upped themselves by enabling enchanters to apply a glow to weapons that's actually a complex graphical animation. The Mongoose enchant causes your entire weapon to crackle with lighting, while the Savagery enchant makes your weapon drip blood.
    • While the primary theme of The Burning Crusade was "WoW In Space!!!", the secondary theme was "glowing stuff is really awesome". Seriously. Just look at most of the new areas - they're glow-tastic. Also, both of the new races have glowing eyes.
    • The multi-colored glowy-Lite Brite-Crystal cave in the original Un'Goro Crater was simply power-glow-tastic.
    • Wrath of the Lich King too, the whole nexus which is Malygos' lair is really one hell of a glow-tastic Scenery Porn.
    • In Cataclysm, Blizzard one-ups themselves again with the Power Torrent enchant, which shifts through the colors of the rainbow periodically and is the best-in-slot enchant for all raiding casters.
• In Dragon Quest 8, Once a character reaches maximum tension, that character will glow until they attack or use magic that has a quantifiable effect, be it damage, healing or a stat buff. They'll also stop glowing if a boss nullifies their tension with a wave of ice.
• In Final Fantasy, any place with a constant glow to it (such as the Mako Reactors in VII and Bahamut's hideout in VIII) is very important place with lots of either magical or technological power hidden from mortals. Party members tend to glow when using special abilities, and Limit Breaks always glow brightly.
  • An interesting example is in Final Fantasy VI, where Kefka is surrounded by a pyramid of magic before the final fight. In addition to showing his immense magical powers, it reflects his emotions: when he's taunting the party and laughing, it's blue, then turns purple as he laments the futility of life, green when the party members declare he's wrong, then red when he gets angry. Emotion Glows too.
• Dissidia Final Fantasy, pretty much every character gets an aura of some sort when they enter EX Mode.
• City of Heroes (and Villains) doesn't shy from this, either. By hitting Level 30, characters gain the ability to attach an Aura of his choice to every costume. Most of these simply Glow (although some get creative and crumble instead), and none of them does anything other than being awesome.
  • Even without the costume auras, most melee characters have a set of glowy special effects from a variety of defensive powers (and even being able to run fast causes your feet to glow)
• In Fable, your tattoes and hands glow with high enough magic levels.
• In Tales of Symphonia, when characters go into Over Limit, they get a black aura around them.
• Likewise in Tales of Vesperia, characters gain an aura when entering Over Limit.
• In the first Mega Man Battle Network game, Mega Man glows when his program is being rewritten after Hub.bat is installed.
  • The Mega Man NT Warrior anime also does this with Program Advances. Especially the first few times they're used.
  • Later games in the series implement Full Synchro as an effect you can get in battle if you're skilled. It's depicted by Rock glowing (his color becomes light) and a pink halo spinning about his body. Very powerful NPCs and enemies in cutscenes also flash with light, notably Gospel in the second game, Proto (Alpha) in the third game and the Cyber Beasts in the sixth.
  • Every version of Mega Man who can charge up usually glows while doing so. Mega Man X was the first to glow different colors depending on how much he's charged. With the double-shot and Zero's Z-Saber in X3, he glows blue, yellow, pink, and finally green to indicate he can fire two fully-charged shots and the Z-Saber. Zero glows these same colors when he charges up his Z-Buster, but X3 is the last game where Zero can use his Buster the same way, and X one-ups him for once by launching an energy wave when he swings the Z-Saber, assuming he has the double-shot.
• Early Mega Man games had Mega Man get Power Glows when charging the Mega Buster. Because of the way NES graphics worked, the powerups scattered around levels would exhibit the same pattern in time with his. Later games added Sucking-In Lines.
  • Omega Zero has a white aura around him, so you know he's not to be taken lightly.
  • This was carried over from Virus Infected Zero in X5, who was surrounded by a ominous purple aura.
• The Elder Scrolls III: Morrowind tried and failed to utilize this. The glowing magical items came off looking like they were covered in plastic-wrap.
  • Oblivion manages to pull this off much better, with enchanted items having a slight subtle glow instead the plastic-wrap one. Mods exist for both games that remove the effects if you don't like them.
  • Skyrim mixes the two: enchanted weapons have faintly glowing swirls and whorls like Morrowind (only way better-textured), while armor and jewelry uses the Oblivion glowy outline.
• The old Magic Knight game Spellbound for the ZX Spectrum featured the spell Armouris Photonicus, which if cast in the right place would make your armour glow sufficiently to traverse two darkened rooms safely, making this Older Than the NES.
• Zork: "Your sword is blowing glue! Wait, let me try that again."
• Dragonball Z Budokai Tenkaichi 2: low-ranking characters might glow faintly when summoning ki; high-ranking characters glow with intense brightness at all times, and even the simplest moves look like a fireworks display crashing into a laser light show.
• Any Sonic the Hedgehog character with a super form when in said form.
• Kingdom Hearts. And Kingdom Hearts II is even worse. Everything sparkles, lights, shines, flares, an so on... MY EYES!!
• Custom Robo: Soulboost causes this, although the best the graphics engine could do with it is turn the robo's model gold.
• Mass Effect's biotics have glowing energy about them when they use their biotic powers, especially when using a powerful biotic move. Samara is a really good example, especially when she fights her daughter Morinth to the death.
  • Element Zero, though rarely seen directly, apparently has quite an energetic glow about it. This makes perfect sense when you consider that it actually constitutes exotic matter under certain conditions.
• The Soar Star in Super Mario Galaxy gives Mario a white glow around his hands, along with a pair of red trails as he flies along.
• Chrono Trigger: Marle can heal people with her glow.
• In Richard Bartle's original MUD, swords inherently glow. If you use your wizardly powers to create a wooden sword that falls apart after one hit, it'll still glow purely by virtue of being a sword.
• The eponymous race of Valkyria Chronicles are said to and do glow with an otherworldly blue flame, as well as Red Eyes, Take Warning, when using their powers.
• Many MMORPGs have weapons that glow when they're enhanced. So what does a newbie typically ask of the wielder of such a weapon?
  • "What kind of weapon is that?" Nope.
  • "Where did you get that?" Not even close.
  • "How do you make your weapon glow?" Bingo!
  • Flyff took this Up to Eleven—every piece of equipment could be upgraded... and L10 Enhancements created awesome blue glows. If you had Level 120 Equipment with L10 Enhancements in every slot, you got glowing blue wings as well as a pulsing blue Battle Aura. That said, you had to be very rich to obtain that gear.
  • Inverted in Phantasy Star Online. The common, weak weapons are all photon based, as opposed to some rare, high end weapons, which are non glowing real guns and swords. presumably because photon based weapons are cheaper to make than a properly tempered steel katana or a finely machined kinetic firearm.
• In BlazBlue, Ragna, Hakumen and Bang glow when their Super Modes are active. For the first two, having the Super Mode permanently switched on is part of their Unlimited package.
  • Rachel is surrounded by an ominous purple glow when in her Unlimited mode.
• In Metroid Prime, anything even vaguely related to phazon is always glowing. In the rest of the series, all powerups glow.
• In Team Fortress 2, critical projectiles glow your team's color, as do weapons when under an effect that will give them crits. In addition, an Ubercharge makes you glow your team's color while giving you invincibility for ten seconds.
  • While not exactly a glow, the "unusual" hats give off a special aura when worn.
• In the Fallout series there is a type of ghoul called Glowing Ones. As their name suggests, they are brightly glowing ghouls. They are a stronger type of the regular ghoul with special powers directly related to their heavy irradiation, including a burst attack where the entire area around them briefly becomes irradiated, too.
• Dynasty Warriors: Strikeforce. All characters glow when they enter their Super Mode.
• A rule of thumb in Rift. Any monsters nearby when one of the titular rifts opens will become "touched" by that rift's element. Shadetouched monsters glow purple, faetouched monsters glow pale green, windtouched ones glow deep blue, stonetouched ones glow tan, tidetouched ones glow teal, and flametouched ones glow red. And they all get a buff to their damage and a weakness to their opposite element.
• Irenicus in Baldur's Gate 2 is an obscenely powerful mage, and glows faintly at all times. Also, a lot of enhancing spells cause their recipients to light up like Christmas trees.
• In Minecraft, enchanted tools and armor glow purple. While not necessarily more powerful, enchanted items all have some sort of beneficial affect.
• Most Fire Emblem games from Mystery of the Emblem onward are strong proponents of this - whenever a unit attacks with an Infinity+1 Sword, the weapon will give off a bright split-second Audible Gleam which covers the entire screen. The exception is the Tellius duology, which for whatever reason doesn't do this.
• Gele, the third Demon King, of the Rance Series.

Web Comics

• MAG-ISA -- Kyle glows after he Hulks out.
• Darkbolt: Everyone who is powered by demons or angels...
• As Questionable Content reveals, even bourbon whisky will glow if it's good enough.
• In Sequential Art, Art asks, "Why is it that big, ominous tomes always glow so bright?!" Good question.
  • Because they're illuminated texts! Ha!
• Gunnerkrigg Court: One of Eglamore's BFSes glows; presumably this makes it more effective against Shadow men. Also, antigravity glows purple. Various effects of Donlans' "etheric computer" glow with maze-like patterns. Valknut-shaped portals Brinnie (and Eglamore, as it turned out) uses to travel glow bright blue.
• As demonstrated here in Nip & Tuck, particularly sexy lingerie glows, too. (Obviously a reference to the Pulp Fiction example mentioned above.)
• In Sluggy Freelance Gwynn tends to glow and float when she starts really channeling her witchy powers.
  • Also happens to Horribus when he's getting ready for his grudge match with Torg. And, of course, Torg's sword glowing is the sign that it's awakened its sentient, kill-anything-in-one-strike mode.
• The Order of the Stick takes this to its logical conclusion; if one high-level spellcaster's power glows, then the combined effects of four of them glow even more.
• In El Goonish Shive, magic and Ki users can glow to indicate that they are using their powers (though in many case it's optional SFX to look cool). For Nanase's Fairy doll spell, this has practical uses. For martial arts, it's Rule of Cool.
• Girl Genius has the river has Dyne glowing blue (before it goes through the power extraction plant under the Castle, after which this water is reasonably safe to drink), of course this might be because it is radioactive. Then again, most things that have something to do with God-Queens glow — such as their Instant Runes effects, floating symbol halos and occasionally eyes; as a spring of the local battle-goddess in a town with working Queen's Mirror (those also glow when active, of course), Dyne's source is on this list.
• Magical things in The Way of the Metagamer. Particularly the Rob of Za-Boom.
• Magic items glow in Goblins when being used. Some of them also "smoke" light.
  • Actually they channel the users aura, which changes color and effect (i.e., "smoking" light) depending on the individual. This is why when someone loots a magic weapon, it glows differently than whoever was just using it.
• The Dreamland Chronicles: Why Felicity chose to steal the amulet.
• In Harkovast, magic is generally represented as glowing. This is most evident on the Darsai energy weapons.
• Bob and George Warning Dr. Wiley that he's about to lose his fortress. Again.
• A few of the more powerful player characters in Homestuck do this. Aradia and Sollux both glow when using their telekinetic abilities (white and red/blue, respectively). Rose, on the other hand, glows black when tapping into The Dark Arts.
  • Rainbow Drinkers have glowing skin.
• Strays Feral's blade
• Memoria His hand
• Wooden Rose Reviving a woman from the bed where she just had a C-section.
• In Roza, her blood is magical. It glows.
• Ell from What's Shakin' has a power up moment with a golden glow.
• In Impure Blood, even the Mundane Utility of unlocking the door glows.
• In Endstone, the Artifact of Doom, the Banestone, can really glow.
• Graham's 'mark' in Wizard School is an ordinary tattoo placed while our 'hero' was in a drunken haze - which glows because the Big Bad infused it with magic.

Web Original

• Whateley Universe example: Tennyo's sword glows a brilliant blue, and can cut through pretty much anything since it's made of some sort of anti-matter. Tennyo herself does the glowy bit when she gets really amped up, complete with Red Eyes, Take Warning. Several Energizers like Golden Girl also do the full-body glow when they kick in their powers.
• Unlikely Eden example: Heather's axe starts of as just strangely blurry, but later, as her Preferred Weapon Effect kicks in it attains full glow. Additionally, the eyes of all Coalition soldiers and Ourkind bioluminesce when their abilities are activated.

Western Animation

• In Beast Wars, Sparks glow, which makes sense because they are powerful. So do many of the things belonging to the aliens.
• In Transformers Cybertron, when using great amounts of power a character will glow. Used most dramatically in the Final Battle of Optimus Prime and Galvatron
• In Transformers Animated, the AllSpark glows. So do all its pieces, and Sari's key when it's near them.
• In Avatar: The Last Airbender, Aang's eyes, mouth and tattoos do this when he activates the Avatar State, as do that of all his past lives.
• In some of the Bionicle movies, the characters' masks glow while being used.
• Sealab 2021: "You see this, you see how my body's glowing like that? Yeah, a lot of people can't do that."
• In the earlier episodes of Kim Possible, Shego had clawed gloves that glowed with a green light when she fought; the glow was implied to amplify the force of her attacks. In the second season, she began displaying the ability to use the glow as a projectile attack, throwing blasts of energy, and it was retconned into a superpower called the "Go Team Glow", which she and her brothers obtained as children when they were exposed to an alien meteorite.
  • A fair amount of the Doomsday Devices and McGuffins in the show glow too.
• My Little Pony Friendship Is Magic applies this to, well, magic, which arguably qualifies as this trope. In the premieres of both the first and second seasons, for example, Twilight's eyes (and the second time, those of her friends too) glow when she and her friends unleash their Care Bear Stare.
• In The Secret Saturdays, the human members of the titular Saturday family each have a weapon with some sort of glow, and then Zak's eyes glow when he uses his powers.
• The titular sword of Xcalibur does this.
• Apocalypse in his X-Men: Evolution incarnation does this. It makes him seem invincible.

Real Life

• Light is a form of energy, and flow of energy is power. Light cannot be created from nothing, so power is required to make anything glow, even a tiny LED.
• Incandescence is what causes really hot things things to glow, and hotter things to glow more. It is the underpinning of this trope, and it's cultural ubiquity comes from the two most primal sources of glowing power: the sun and fire. Both glow with incandescence. Light bulbs, lava and molten metal get an honorable mention.
  • Lightning glows by a slightly different way, wherein the electricity ionizes the air. But like incandescence, the light is emitted by an electron dropping back to a stable position.
  • Averted when electricity travels through a wire, although not always. A company called Dexim has designed a USB cable to "visibly show the electrical current" as it charges your phone or iPod.
• Unlike the ones in TV, real nuclear reactors glow blue. Pretty, but for the record, if you see Cherenkov radiation in air, you have basically several minutes left to live.
  • If the reactor is under water and you're not under water with it, you're probably fine at only a few meters away.
• The popular idea of green radioactivity dates back to radium paint, which was used for clock dials and glow-in-the-dark signs in 1920s. Later when the hazardous effects of radiation were discovered, the green glow got its new meaning. Oxidising white phosphorus, also quite nasty material, glows green too.
  • Tritium, a hydrogen isotope, has replaced radium in all applications of Real Life Power Glow. It is still radioactive, but emits relatively harmless beta particles, helium-3, and faint green glow.
    • In most cases, the tritium isn't glowing - it's been mixed with phosphorus, and it's the phosphorus that's glowing because it's reacting to the beta radiation.
  • Another is that the presence of uranium or uranium compounds during the production process can turn glass and diamonds yellow-green or green (with higher uranium concentrations making the color more brilliant green), which then glow under a black light.