.

“Nico,’ I said at last, ‘shouldn’t you be sitting at the Hades table?’ He shrugged. ‘Technically, yes. But if I sit alone at my table strange things happen. Cracks open in the floor. Zombies crawl out and start roaming around. It’s a mood disorder. I can’t control it. That’s what I told Chiron.’ ‘And is it true?’ I asked. Nico smiled thinly. ‘I have a note from my doctor.’ Will raised his hand. ‘I’m his doctor.’ ‘Chiron decided it wasn’t worth arguing about,’ Nico said. ‘As long as I sit at a table with other people, like … oh, these guys for instance … the zombies stay away. Everybody’s happier.’ Will nodded serenely. ‘It’s the strangest thing. Not that Nico would ever misuse his powers to get what he wants.’ ‘Of course not,’ Nico agreed.”
― Rick Riordan, The Hidden Oracle