He glances between them, then says, "I remember everything. Everything up until the last battle with Mordred." He looks down, though he doesn't drop Lexi's hand. "But... apparently I didn't die. Not the normal way. It gets unclear, for a time, though I suspect..."
He trails off, then shakes his head. "I appeared, not too far out of town, about half a year ago. I've been living here since, trying to get my bearings. I have suspicions, but no real facts yet, as to why I understand the modern world, but have no proper identity of my own. But the rest of you... who died then. You've come round the long way, so to speak." He's going slow, gauging the reactions of the two listeners.