Arthur's not going to discuss Hillingdon politics at length with someone who works for Sylvia Redbright, and he understands that Lancelot is trying to help out his friend, so he's going to keep things vague while he speaks.

"I appreciate the value of information, but it's still only worth so much," he says. "There's magic at play here. No matter what, you can never be sure the information isn't flowing both ways, and from where he's standing he has access to a lot from our side as well. You'll have to forgive me but my stance on magic is generally not to trust any of it regardless of how much I learn."