"It would only make sense for them to mark their own trail, wouldn't it?"

Chiron's eyes search the wall in front of him, and then move onto the ceiling. He cranes his neck back a little, hoping that it might help a hair.

"Unless this place can erase that kind of evidence, in which case I think I just doomed all our efforts."

The ancient Greeks may not have had the word jinx, but Chiron absolutely understands the concept.