14 classes x3, 5 iconic x3, 12 epics. But the iconics also double as a class TR, so 54 total needed to cap it all out unless I am forgetting something. Right now I am on my last 6 regulars. After that 15 iconics and 11 epics to go.
I would fucking love rifts in DDO. Just make 4 maps, scale mobs...