"I don't even know what it is," Childermass snaps back. He doesn't want to collapse in horror, so anger's the next best option. "Who wants to learn to use anything that's been done to them? I want it out, I want it gone, I..."

He trails off there, the last bust of his anger. He lets go of the nearest bolt in his back again, only to let his shoulders sag as he looks up at Lambert again.

"I don't know," he sighs at the end. "I should get back to work."