They felt real because they are real. At least, they are to Noctis. His head is still spinning with what he's seen and relived and each time brought up different flashes of other events.

He's about to try and pull out his iMog slate, see if he can reach Prompto on it and pray he answers, when he remembers the tiny weight in his left hand. He blinks, before pulling away just enough to look at it and show Ignis.

... Carbuncle's totem.

He closes his hand around it again after a few moments and nods. "Y-yeah." Good plan. Like most of Ignis' in general. "He... saw the whole thing. My getting pulled into the Crystal." There's no way to sugarcoat it. They both know. "Don't think he heard the Draconian, though."