>>55787675>reserved only for certain areasGen 9 has ghosts everywhere, especially posessed shekels of all things, wheter is day or night, these ghost coins lurk behind every corner in the game.
Gen 8.5 (Hisui) was set in the past, it had ghosts everywhere at night, includinng villagers stating that going to the wilds at night is a ticket to the underworld.
Ghosts are ethereal, but when the region lore is also etheral, it ends up defining its ecosystem.