I'll second Fire/Dark. I have a Fire/Dark Corruptor on Freedom. It's a pretty sick combo. Tar Patch>Fireball>Rain of Fire>Firebreath>Fireball will just about wipe a group out (and it also looks pretty while doing it), and my char is only level 13 (you can have that combo by level 8 or so, too). I haven't even gotten to the really good /Dark powers, like Shadow Fall, Fearsome Stare, Petrifying Gaze and Fluffy the Dark Servant.
Global: @Jimmy Amp
"Broad-minded is just another way of saying a fellow's too lazy to form an opinion." -- Will Rogers
Global: @Jimmy Amp
"Broad-minded is just another way of saying a fellow's too lazy to form an opinion." -- Will Rogers