Mustard: "Hey.. aren't you supposed to be heroes someday? It doesn't make much sense to me.. people like you get praised because of your school's reputation... you're pampered by the world just because of your alma mater!! Don't ya think it's not right?!"

He turned to face you, emitting more mustard gas.

Mustard: "And you. You ran away from us to join the heroes.. we were supposed to be friends. Ya been brainwashed by these hero ideals?!"