Skill synergies.

then I think you'll be able to put a goblin on a wolf:smile54:

Why not? Bringing back wolf riders from the third game:smile14:

A serious problem with 3D modeling in Heroes 5 is the lack of tools for adapting a model to a skeleton, creating a new one (which is why they attach pieces using effects), and creating new animations is also impossible, so it's unlikely that this can be implemented.