[quote=@Perfidious Mars]
I am not sure about power, though. I was thinking about extended bone-growth, making blades and funny stuff like that, but we already have a guy with a disgusting body-based power. What about some sort of psyker-ish power? Getting into other people´s brains, causing them migraines (or celebral hemorrhages), playing with their emotions a little...
[/quote]

Our co-gm has a character who messes with peoples fear... A similar ability with a different emotion would be alright but it sounds like you're looking to have something completely unique.