Dragons of the world of Ashan.

Yes, there should be super units that excel in quality when there are already 30 creatures on the battlefield! Otherwise, towards the end, huge armies appear, and then you see one unit wiping out an entire army. Isn't that great?

They are not sold in castles; they are obtained through hard work (like the rusty units in Heroes of Might and Magic III), and their presence should mean something. After all, rare units should exist!