Answer :
Only after Jin's and Danny's stories do we return to the Monkey King, only to start the same turn of the book, go to the "Detailed Chapter-by-Chapter Plot Summary" and have at it. He wants to become a god and hang out with all the other gods and So at a party that he's crashed he starts a fight with one of the gods.
Because one time when he get's angry he was causing extreme chaos at the party. Not sure