There was absolutely no logical explanation for what he was seeing in front of his very eyes. Another trick, perhaps, but how could one even succeed in performing such an illusion? Plus, the man before him didn't seem to be particularly committed to his part in whatever game this was. In fact, as he started to speak, Darcy realised that he seemed to be just as horrified by the sight of a horse as he was by the yellow lady.
He gave him a slow nod. "Yes. Yes. She... we... um.. in the lake, she startled and..." he closed his eyes for a moment, and took a deep, steadying breath. Concussion. It was definitely concussion. "I'm terribly sorry, I think perhaps that I am not feeling quite well, please excuse me," he said quickly. He opened his eyes again, and no, it was still there.