NHF – new heroes for Heroes V 3.1.

Why not use this model for the Djinn heroes, for Jalliba or Solmyr, for example? (This seems to be his model from Heroes 7), it's simply divine.

Actually, this is Solmyr from Heroes 7; he was included as a bonus hero for pre-ordering Heroes 7!
By the way, where is the download link for the content?