NHF – new heroes for Heroes V 3.1.

Now, the task is to make all heroes playable at all stages of the game.
It's not a simple task. If anyone has specific suggestions, please share them! ))

Added 4 minutes later
1) We can boost weak heroes at the start with spells and machines;
2) We can improve weak heroes in the mid-game with the right starting skills and abilities;
3) But it seems that improving them in the late game can only be done by adjusting the mechanics of special abilities.