[With the way their conversation has been going, he isn't surprised by Minato's confirmation -- though he does raise a brow at the bit about 'creating' Personas.

But he should keep explaining.]

Metis understood more about the Abyss of Time than any of us did. She guided us around, explained to keys of time to us, and told us of the purpose of the Great Seal. When we went into that ... Velvet Room, it was as if she was comfortable there. She had said that her place was there, on the "other side."

But Aigis realized that Metis was the "other her."

[...] Told you it was complicated.