Yeah, he was afraid of that. He looks back out towards Boston, a perfectly ordinary day. Peaceful.

"Then they'll get another Librarian."

It would be devastating if he couldn't come back, couldn't see his home again.

"And your world will still have powerful artifacts, unprotected, with unknown properties." He bites his lip, rubbing his face. "I don't know. I can't let you take them. But if what you're saying is true and your world is that bad off...I can't just stand by..."