NHF – new heroes for Heroes V 3.1.

1) Hellish Strategist - The hero immediately possesses the tactics and defense skills; if his troops are in a defensive stance, they receive a bonus. 2) Genie in a Bottle - The hero spends his entire turn and mana, but in return receives resources, units, or an artifact; the benefit increases with level. 3) Dwarven Centurion - For every hundred soldiers, the hero receives a one-time bonus to attack and defense. 4) Orcish Raid - If the last battle took place no more than 3 days ago, the hero has a bonus to attack. 5) Fallen Knight - The hero starts with this skill, and the effectiveness of dark spells increases with his level. Added 2 minutes later

I haven't encountered a function in the scripts that handles redemption.

Why not simply increase his stats while he's in the tavern, so that his price is equal to 10-15 thousand, and after redemption, everything returns to its original state?