User blog comment:Brainwasher5/Highest damage possible?/@comment-1687225-20120410190538/@comment-4028522-20120411020634

Well, I'm pretty sure its supposed to do %HP damage because that's what it says in the official guide! Maybe effect is diminished against bosses? Or the Stray Demon has high bleed resist (not sure if that will effect damage or just build-up).