Now that certainly catches Ravus' attention, and holds it like a vice. Cor looks about as tired as Ravus has felt through the years of night, and speaks like he knows it. So what world did Cor experience where Ravus had fallen to the Scourge, but before the Long Night? And slain, put down like a sick beast, by Noctis?

"That is far from my memory of it. When the sun finally died, and the crystal took Noctis, I returned to Tenebrae to oversee its survival through the dark. Certainly not fallen to the daemons."