[Nico nods, swallowing thickly. There were worse places, yes. (Though, technically, he only survived Tartarus because a couple of giants nabbed him and stuffed him in a jar...)]
There are people - powerful people - who have been here a really long time. Months, even. I heard there are people working on a way out, but ... I don't think there's been a lot of progress. [Though, he hasn't actually followed up on any of the names he had been given.]