Best Orcish unit.

Trolls are not related to Orcs - they are neutral...
Also, five-level units are very strong - Orcish leaders will easily defeat hordes of weaker units, and Ogres with their "heavy club" can easily take down several black dragons :):(.

Oops, I mixed up Ogres and Trolls :) They just gave the Orcish leaders an Ogre model (or something very similar), so I got confused.
Well, it's clear that all Orcs turned out to be overpowered, but I don't see much point in listing the abilities of all of them, it would take too long. And I chose veterans for the same reason. + "Rush" is such a cool thing!
About other factions: each has very excellent units. Of course, the neutral units (especially snakes, dragons, and sea wolves) look the best, among the Elves, I like the Rangers the most, and among the Humans, I respect the Paladins with their prayer... But almost every unit in the Orcs is at the highest level, so they are definitely overpowered.