Heroes with an unit enhancing "Leadership" ability.
There's plenty of games that have that. It's one of the clichés of the genre.
Also, I think we should all start figuring out the rules of Erfworld now! The comic might never end, like OotS, or maybe it'll end when we're all old and grey. I don't want to wait that long, we should start homebrewing this now!
Avatar by the illustrious Dr. Bath.
The essence of a riddle is that it states facts by means of a combination of impossibilities~Aristoteles