Eleven nodded, keenly feeling Archeval's weariness with the idea. It was yet another phenomenon they had little control over, and was yet shrouded in unfathomable mystery.

He turned a curious look on the man, fingers tapping idly along the arm of the chair. What were the chances? But he may as well ask.

"In Erdrea," he volunteered, "There are small, white spirits called Tockles that safeguard the flow of time- history, in other words. I haven't seen any of them so long as we've been here, but I wonder if there's anything similar in your.. galaxy?"