It concerned Ariel more than he liked to admit - the losing himself. But he was a worrier and they both knew that by now. Letting himself get lost in his wolf, the feralness of it, would only help him in the long run - and perhaps convince the wolf that Amadeus could be trusted, that the Tremere belonged to them and only them.
His fingertips flexed and the claws dug in, deeper than maybe he was intending. Oh, he could rip and tear if he wanted to - and he would never admit the desire was present not out of malice but just pure pleasure in doing so. Amadeus wouldn't stand a chance. Maybe that was part of it. Ariel knew it certainly heightened his own arousal.
The rolls of his hips were growing in speed, in ferocity. The smaller growls were becoming outright snarls. He was getting closer and closer, rapidly clawing his way towards release.