Heroes 6 - Discussion

Essentially, there are only 2 viable options right now: Mages and Orcs, but the Mages still lack Beastmen and Golems, meaning they don't have Gargoyles, Golems, or Titans. Therefore, I also consider Orcs to be a potential fourth faction.

I also think it's Orcs, but for different reasons. And they do have Golems. Kunyak mentioned this (basically, he said that the Mages' attitude towards Orcs isn't much different from their attitude towards Golems). And he lived long before the events of Heroes 6.

And Griffins aren't Slavs... If you think about it, Slavs are either Wolves or Ravens.

Griffins are "Slavs." That's the official answer. As for Wolves and Ravens, I don't remember who they are.