As Arad and Merlin returned, he started looking around the living room and seeing more details of her magic, quickly feeling that a vast wall of skill had formed between them. But what surprised Arad more was her control over time through the labyrinth. It was already slowed down a bit, and it is probably what allowed Isdis to finish most of the paperwork while he was out.
Arad has better magic output and volume, while she has more control, experience, and creativity. Which was expected; she had been a wizard for far longer than he was alive. Arad wanted to ask her to teach him a few tricks, but he was certain that if he asked now, she would ask for something funny in exchange.
"You really created a masterpiece." Arad smiled, and Merlin shrugged. Even though she looked nonchalant, she was giggling inside, and Arad sensed that clearly.
