User blog comment:Neowitch/Brain Pie and Living Man's Chest/@comment-3075024-20120416170102

Yep, sounds legit and very possible to me. If you have doctor-themed DF then you can't kill anyone with it cause Doctors save lives

http://i602.photobucket.com/albums/tt102/sh3rvin_85/captain_obvious.jpg

Of course if Law uses his sword without activating his DF powers then he can use the katana like a normal katana that can cut and kill.