First Aid stares up at Ratchet. He was glad he was no longer holding anything, because his hands were trembling by his sides. Even though the older medic's voice was soft, the confrontation was still horrible. He'd almost prefer to be yelled at, since then at least he could react in anger.

"Yes," he murmurs, gaze dropping away. "After I left you to find him. I found him pressed up against the portal. He laughed, Ratchet. He found it all funny. Delphi-- what he did to Ambulon. It was all a big joke."