I was talking with my roommate and fellow WM/H enthusiast last night about stuff we want to see in future expansions, and something that I think would be pretty slick is a straight incorp caster. Now, before you have an aneurysm over the thought, hear me out. Typical Cryxian warcaster stats tend to be 15-16, with 17 or so HP. Since this hypothetical caster is going to have the undoubtedly powerful defensive measure of incorp, I would propose balancing it around him being 13-15 with 14 HP. After all, Nemo, Severius, and Vayl have pretty garbage stats to make up for their high focus/fury, why not do something similar? And the other thing that I think would make an incorp caster balanced, all things considered, is that he have no melee or ranged weapons, similar to Rasheth.
So with garbage defensive stats, and no weapons, he would only be able to make an effect via his spells, abilities, and feat, with incorp being his main form of defense. And anyone that brings Aiyana and Holt, or ATGM, or Doom Reavers, or Exemplars, or Myrmidons will be able to ignore incorp easily enough. Personally, I would hope for a Lich Lord Fulmenus or Tenebrus as they are the incorp lich lords. Thoughts?