"...." Accelerator purses his lips, resisting the urge to snap back with a threat of his own. It's an amount of self-control he wouldn't have bothered with before, so he is a little proud of himself for holding back.

He isn't bothered by the apparent mundane and a little faux-spiritual items that are going to be used -- Unabara had apparently used human flesh for his magic, so gemstones and chalk or whatever are probably a step up. Taking the cell phone out of his hoodie pocket and tossing it over to Donnie, he otherwise remains against the wall. "It's a piece of technology. Does that complicate anything?"