Sha Chen's statement had effectively backed Muzha Walker into a corner, leaving him in a dilemma. To help, or not to help?
If he chose to help, Red Boy was not yet clearly at a disadvantage. Secondly, in what capacity would they offer assistance? Keep in mind, Red Boy had killed Jinmaohou and bore a grudge against them. If they decided not to help, Sha Chen might very well cause trouble. They would also likely miss the opportunity to subdue Red Boy, rendering their three years of meticulous planning null and void.
