When you're the steed, the hardest part of the joust is stopping. With his head so near the ground, he can't see the action. There's only the sudden crash of lances against armor, and then it's all over. Harrowheart drags his claws through the ground and skids to a stop, then turns, ears perked, to assess the damage. Runa is still on his back. So...

"Did we win?"