A liminal space, then. [You can have those in simulations, too--but his memories of death are too solid for him to doubt. Still, it's notable.] It could be exactly as Ferryman-san said. We can get out by traveling, whether we do it with or without them.

[Again, he intends this neutrally. It's always possible the information they were given is correct. It could be incorrect, as well, but both options have to be considered. That's even before getting into the idea of half truths and technicalities.]