The Breaker/WMG

will have his Ki Center broken.

 * Sounds like an appropriate punishment for someone who's so smug like him.

The Homeless Murim in part 2.

 * Will turn out to be
 * No, he'll be
 * Jossed in latest chapters it is not a case of Hidden in Plain Sight.
 * I think that this is actually a very plausible theory.

Mamungi will join and help Shi Woon.

 * Although he doesn't really like the Murim, he wouldn't really approve all the thugs going around and causing ruckus either.

Mamungi will join the SUC

 * He does not like the Murim and he idolizes Chun Woo. He considers his debt to Shi Woon paid back after the events at the Tower. He may not agree with all of the SUC's methods, or he might he did run a biker gang, but he dislikes the Murim enough to join them anyways.

Shun Woo Han never abandoned Shi Woon.
It was blatantly explained recently that the process of destroying his Ki center also enlarged his Ki veins  This has all been a massive Xanatos Roulette to make Shi Woon a worthy heir.

The Person that was taken to the hospital that .

 * Will turn out to be either one of three side characters,   or.