User blog comment:IamJakuhoRaikoben/Chapter 412: Dance Unto Ishgar, Review./@comment-4449950-20141209051619/@comment-2214433-20141209083751

I'm fairly certain that bow wasn't Devil Slaying Magic. Doesn't really matter that it looks similar, the way I see it the tattoo simply makes his usual ice effective against Demons while giving him new spells such as Rage or the Zero stuff.