The claws, well, they certainly caused Reynard to cry out. He never had had a high pain threshold and this wasn't exactly something he could just ignore. But the lines between pain and pleasure blurred at this moment and so his cry ended in a moan.

His eyes had lost focus while his pace picked up. He held Keldar up, pushed him hard against the wall again and again with every move inside him. This was very much worth the build-up.