The magician sinks to one knee as it is kicked out from under him, it puts him at a poor position with the knife coming at his face. It is a moment for his threads of rubber, yanking on one attached to Chrollo's arm and forcing the knife the ghost past him.

He knows about you and that knife, spider.

Despite the jolt of pain through his knee, Hisoka pushes himself upwards abruptly, smashing his skull up under Chrollo's jaw.