That and something to do with Creation, but he didn't really pick up exactly what their purpose was with that.

That doesn't really assure him, but he won't say so.

"Maybe we won't have to," he says with tenuous hope. Maybe Strange will find Ignatius, their help will come, and they'll all get out of here. He doesn't want to think about how he can't bank on that right now.

"I'll keep water nearby, so... good luck, Mr. Strange."