With apt creativity, or by collecting shinki until you receive one with an offensive form.

[ One could probably get away with tackling an ayakashi with rend, if their shinki were the right sort of item for it, like shirts and helmets. Just as most things could be made deadly with the right application. ]

I suppose I am. It was a simple enough adjustment, even when I arrived and received my first god. Speaking of; you're free to either revoke or keep the name you've given me in case my services will be needed again. However my primary god, Mister Spears, has ultimate command should any orders conflict.