Concept art of a female charioteer. In the final game, the Wheels retain too much Dara Happan sexism to allow women to drive chariots, but this wasn't pinned down until later.
Concept art of a Wheel chieftain. The focus on tradition and the diagonal hems remain common to Wheels in the finished game.
Concept art of a young Wheel herder.
Concept art of a charioteer woman.
Concept of a Wheel shaman, an idea that didn't end up in the game.