He didn't necessarily require his Grace to torture a demon. In actuality, all he required were his knife, the exorcism and a few spells, but he wasn't about to disclose that information. There were certain things he was still not inclined to share with her, and if she was willing to do the job for him, he felt that could be used his advantage. It was dishonest. It made him uncomfortable - even when it came to Meg, but seeing as she was a demon, he felt she would have done the same with him had the opportunity presented itself.
It was unbeknownst to him, but he shot her a very faint smirk. "I will then prepare the trap," he said. "Only this time, I suggest you refrain from stepping inside it."
Standing up to shrug into his jacket, he turned his phone back on and tucked it inside. "Take as much time as you need. I will...text you the address."
Like the computer, texting was something of a necessary evil. He was terrible at it, but she had yet to complain.