Maybe he wasn't necessarily pleased when the boy was released but at least they weren't having to deal with his final death and corpse. He captured Amadeus's hands as his lover stepped back, intertwining their fingers... But then Ariel tightened his grip and it was very clear what he was doing. He was restraining Amadeus's hands from any more gesture-based magic.
Ariel could see Rhys moving, listened to that sobbing. He was unsurprised when the boy crawled forward to beg without words. In fact, he had been expecting it considering he had told Rhys to do it. Good thing he had listened at some point. It seemed his sire had treated him too kindly. "I think the lessons for the evening are over."