The big brother turn to dark side because of jealousy and his incompetency.. he can't hurt or killed or steal…
Yeah LCZ is the legitimate prince, he is the son of the Empress.. so the Prince Liang should be his bro..yeah, the freak trapped him does happen but nothing really bad happen because QS just pretend to be weak so that the mask man come to him. Also the one that meet QS id not fake LCZ but the real LCZ haha.. Just the previous disguised was so perfect since there 1000 face mask.. so this time the one that meet QS is not the fake one..
So other than the epic fight which we all know came; did big bro go over to the dark side to get his younger bro…
The big brother turn to dark side because of jealousy and his incompetency.. he can't hurt or killed or steal his internal energy yet but we dont know in future since he already chose the dark side. A bit of LCZ backstory. And for LSF, isn't we already get his backstory?