I would really like to be able to have my hero count as the species I select for my avatar.
I really like using Raksha troops and I find it a bit of a shame that my Raksha hero can not profit from team Boni or from the increased effect from Spirit Mane (who was a really welcome addition with his buffing and extra Red Mana, I have to say).
I think a lot of other players would also like to use their hero as part of a strategy that focuses on a specific troop type.
Heroes can gain a type through their class, but it seems perfectly feasible to also let them have the troop type that corresponds to their avatar.
It would be nice to have a similar option for your home Kingdom, but I can see that that would be hard to resolve with the existing system of a hero counting as being from their class’s Kingdom.