Do you need a bigger hint than the fact that Zeta was supposed to find you, and not the other way around? But he should place that blame on Zeta rather than Orion - another instance in which Optimus had proved himself to be the much better choice.

"I see." Nyon, gone. It had once been an extravagant place - but recent years had made it clear that it was being ignored like so many other city-states. But to think of it entirely gone was almost impossible. "I should have been there."

He should have planned better.