What is your favorite ultimate ability for that class?

The best one is for the Mages, and the most enjoyable is for the Elves – even though luck will always be on your side in the game. I don't like the one for the Demons – I just don't like it, and it takes too long to develop. The Necromancers also have a great one, which can't be denied – it's enjoyable to play when your opponent can't move anyone except their hero.