Some of this, Kaiba had told Loki before. He'd seen the scars on the other's back too, been able to make guesses where they'd come from. It was still different to be told directly though.

"How much older are you?" Loki kept the rest of his thoughts to himself, but he was giving Kaiba as much attention as he could. Part of him alert just in case for trouble, but otherwise on the other.