...There's an empty building blocking the street? Nah, there's an illusion of a building. And no one else here.
The door closes behind him. He looks around at the illusion of exploding stars and the illusion of seats and the illusion of tables.
It's not all that long before he notices the illusions on his necklace have stopped working. So either he's in another universe or else something terrible is happening in Mar Geru.
If anyone were to walk in about then they'd see a seventeen-year-old maybe-a-girl poking the tables to see if they're real.