"No dream world, or just not one so..." He waves a hand at the collected partygoers. "Communal?" He can't quite imagine a world where people don't dream, though he's incredibly familiar with creatures that don't dream. Outside of a human vessel, angels don't sleep. In the old days before he'd had a vessel, his only experience of dreams had been through human minds. He knows that Zagreus isn't human, that's for sure.