(That is totally a glittery toupee under the surgeon's cap.)

Ghouls, he can fight. And that's enough of a ghoul that Haruto instinctively knows what to do with it. Snap, the weapon becomes a sword again, and he's rushing in to parry that syringe swing and then deliver a decisive, hopefully staggering blow.

This does mean that he is no longer chipping away at those chains for the moment. Sorry, Nitou. Your Underworld is really hostile today.