As Leo's gaze shifts, Sephiroth moves to track it. A pink speck, amidst other strange pink things, he'd dismissed it earlier. Was it important? It must be, given the context, but it doesn't look like anything to him.

It didn't have to, it's not his nightmare. "Then we will neither let it out, nor allow anyone else to come to further harm. The price has been paid, you're already hurt."

He says it with the calm certainty of fact and not hypothesis, stepping deliberately closer to the damaged turtle. Such an impact to leave a crater like this must have caused serious harm indeed, and the closer he gets the more he can tell things have gone badly. A turtle's shell, if he remembered right, wasn't merely exterior protection. It was their ribs. "Come. I will carry you, if you can tell me where we must go."