The most UNPOPULAR faction in Heroes 5.

I really don't know – if you pit unicorns against nightmares, for example, unicorns have never won... And nightmares usually have a higher initiative... I won't even mention their ability to run across the entire battlefield... Although I don't play as Inferno very often – it's not my favorite faction.
I know that druids, in large numbers, are better ranged attackers than mages, but that still doesn't really save them... Although in large battles, I usually ended up with only druids left... Who, with great difficulty, managed to defeat a large number of demonesses and fire demons, whose total number was five times greater than the number of druids.
As for the analogy of dancers and berserkers, I can't say anything – I haven't had a chance to play as dwarves yet – I only finished the first campaign of the expansion pack today, so I haven't started the "dwarven" campaign or played as warlocks yet, so I don't know about the meteor shower in the expansion pack either, but in the original game, it's a powerful spell, especially with high spell power... And hunters can also be easily temporarily disabled by blinding them, until something large, thick, and strong crawls up to them or flies in and defeats most of them with one hit, or simply blocks them – their melee attacks aren't very good.