Once again, he is overwhelmed by the So Much Ness of all that. There's so much information in that brief description, and so much of it is awful. But he wants to know, too, he wants to know how to summon servants and drag items across realities or make them. He wants to learn. The look on his face as Arthur describes those things is fascinated, almost eager, but that gets quickly crowded out by the idea of being destroyed by a human prison who uses him like a battery.

"So what was his plan? He had to know that, didn't he?"