I don't think all Daemon Weapons are power weapons. The Kai Gun isn't. And I don't think the Dread Axe is either.
Secondly, because daemon weapons on special characters don't count towards your army limit, you could probably get away with two if you took Typhus. Otherwise, you can only take one.
Secondly, because daemon weapons on special characters don't count towards your army limit, you could probably get away with two if you took Typhus. Otherwise, you can only take one.