Magical Girl Lyrical Nanoha As/Tear Jerker

"Signum: Forgive us, our master. We shall be breaking our oath this one time...Please forgive us for this wrongdoing!."
 * The part when the Wolkenritter decide to undertake the completion of the book of Darkness without Hayate's knowledge and against her wishes, made especially heart wrenching with this line

"Signum: Stop... We guardian knights decided we'd even throw away our honor to save our mistress' smile. You can't stop us!"
 * The dialogue between Signum and Fate in episode 9, when Signum starts to cry.

": It's all right. I'm your big sister, after all. Your strong and gentle friends are waiting for you, right? Then, take care...."
 * Hayate's Break the Cutie moment.
 * The eyecatcher from episode 10 shows a picture of Hayate with the Wolkenritter, and one of the now deceased Clyde Harlaown with Lindy and a young Chrono, while appropriately sad music plays in the background.
 * in episode 11. She knows it's all just a dream, but when it hits home that, in this world, she is truly loved by as the sweet older sister she never knew, she breaks down in tears. And then later, as she prepares to leave the dream-world to help save the day,   calmly fades away into light in her arms, her last words being of love to her sister.


 * sacrificing herself to break the Vicious Cycle in the last episode.
 * A's manga, chapter 6. Hayate starts crying after remembering, then tries to hold back the tears, calling herself a crybaby. Nanoha and Fate, in perfect unison, stand up and hug her from both sides, telling her that she doesn't have to pretend to be strong in this case.
 * The scene from the end of Episode 3, where Bardiche and Raising Heart are throwing up error messages to the people trying to fix them, telling them they don't have the right parts  The episode ends with a rather tense and melancholy BGM, with the word PLEASE written across the center of the screen in large print in the devices distinctive rune-script.