NHF – new heroes for Heroes V 3.1.

Awesome!

By the way, nothing prevents you from diversifying and putting other elves on unicorns of a different color?!

Yes, that's true, but it fits Ossiru. For example, a light-colored unicorn would suit Ilfina, and a dark-colored one would suit Anwen - on the other hand, when all the colors are close to each other, the contrast suffers.