Michelle's ability to act so insanely is largely due to the backing of his family's power. Others could surrender, but he knew that if he surrendered and Michelle got captured, whether it was for money or something else, he would definitely end up dead.
The difference lies in whether Michelle gets released and kills him, or if Michelle is gone and his father kills him.
Because he is responsible for Michelle's safety, his family is in the hands of Michelle's family; otherwise, why would they trust him so much?
He was unwilling to wait for death, so he had to fight desperately.
Fortunately, the other two were also willing to take a risk. Everyone understood that the situation was irreparable, but if they could capture the opponent's leader, they could naturally force them to spare themselves.
Thus, the leader pretended to surrender, and as Lance approached, the man in the black robe made a move and threw something at Dismas, signaling the start of a new round of battle.
