Complex sentence: After Ho wins the bet, Niu snaps as he was both enraged of not managed to kill Ho and also seeing Lily congratulate Ho instead of him, he went into a rampage destroying everyone in the ring including the martial art judges and the whole studio.
Split into simpler sentences: After Ho wins the bet, Niu snaps as he is enraged, both at not being able to kill Ho, and also losing Lily. He goes into a rampage destroying everyone in the ring including the martial art judges and the whole studio.