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Well, in principle, such a creature can be created, but you need to think through all its parameters!
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Well, in principle, such a creature can be created, but you need to think through all its parameters!
There are several icons in the alpha version of Heroes 5 that, in my opinion, could be used as icons for hero specializations.
Once, Nadia and her mother, Delara, arrived at a meeting of the guardians of the Blade of Oblivion, where they were attacked by demons. In this battle, the spawn of Shio killed Delara, but before her death, the woman managed to place the spell of Kaamul Asiya into her daughter's soul. Nadia, as well as Aidan and Fiona, managed to escape the battlefield through a portal, but due to its instability, the children ended up in different places. After passing through the portal, Nadia woke up only a few weeks later and found herself in her father's dungeon. Besides her, Cyrus was also in the prison, who told the girl what had happened and how they ended up in the dungeon. Learning about Az-Rafir's treacherous plans, Nadia decided to stop her father. With the support of Cyrus, she reached the top of the Tower, where she freed her friends, and then thwarted the plans of the ruler of Al-Imral. Using the Blade of Oblivion, Nadia was able to prevent the impending Eclipse and send her father to Shio. Later, Nadia married Cyrus and gave birth to his son.
2) Ashbet - faction "Dungeon"
The fair-haired Ashbet, wife of a promising elven nobleman, could not find her place at the court of the High King Arniell. Her favorite subject of gossip was Tuidhana, the rebellious queen of Tarlad, about whom at that time very often (and rather unflatteringly) spoke in elven society. This fascination soon turned into an obsession. Distancing herself from her family, Ashbet betrayed her people and decided to join the dark elves after the Day of Fiery Tears, after which she followed them into exile.
3) Viconia - faction "Dungeon"
The dark elves derive the greatest income from the slave trade, and Viconia, despite her belonging to the human race, is one of the best in this business. Having secured the support of the Clan of Stern Hearts, she settled in Igg-Shail and periodically makes raids on the surface, capturing many prisoners, who subsequently pay off handsomely. No one knows what methods of subjugation the girl uses, but all slaves marked with her brand are distinguished by their extraordinary devotion and obedience. The most experienced of them, who have fought many battles with their mistress, are in great demand on the market, and many dark elves would like to acquire such fighters for themselves. However, Viconia is in no hurry to part with her best servants, preferring instead to give them for temporary use for a good price.

By the way, if the hero "Sandro" was created as a famous necromancer, he could have been given a more "necromantic" ability. After all, some sorcerers transform into mummies; it's not the best ability for him.
P.S. Is it possible to create a Haven hero with the ability of Markel, i.e., so that he can join all the neutral creatures of his faction to his army?
Could it be possible to create a Haven hero with the ability of Markel, meaning he could recruit all neutral creatures of his faction?

Good ability.
I plan to switch from mummies to liches later.
You can, but it's not worth it. They already have a hero who does that.
And Markel is only in NHF_E.
The ability is good, I'm not arguing, but I think it's not suitable for Sandro. After all, such a great Necromancer should have a better ability.
For the heroes to remain in NHF, no one should have a better ability ;)
I don't want to remove him from NHF_E.
By the way, is it possible to create hero models by simply using creature models as a base?
Yes.
By the way, is it possible to create hero models by simply using creature models as a base?
Yes.

Things aren't always as simple as they seem!
In other words, at the moment, you can attach the missing parts to the skeleton!
By the way, regarding Iranna, I assume you're talking about the spiky diadem?!