NHF – new heroes for Heroes V 3.1.

The second special ability is quite challenging (15% penalty), especially considering that the opponents can include creatures, and particularly armies of heroes from various factions.

Just a reminder, does the Overlord have a speed aura? Well, that's its specific feature, in my opinion, and it's not particularly beneficial for the faction. )
I suggest balancing their strength so that two heroes (the Overlord and Agrael) neutralize each other's special abilities when they meet. To achieve this, the initiative bonus should be 17-18% (closer to 18), so mathematically they would be equal. Then, the "swift fighter" could be slightly strengthened. I know that these 2-3% won't make much difference in most cases, but it would be more perfectionistic :D