Oh. A Crupper, erm Corruptor, is potentially an S class. And Ice/Cold is one of the S builds. A Dom will just not match that in CoH. Sorry. Now, an Ice Ice Tank is a uniquely powerful creature. It grabs and holds agro like almost nothing else in the game. A marvelous easy thing to run. A semi clearing traffic cones. But an Ice Dom? Uh…. Maybe head over to Dom forum for ideas and help.