This guide will let you know how to unlock the City of Deceased Domain in Genshin Impact. Go through the guide and follow the simple steps to unlock it.
First, you will need to make your way to the teleport waypoint near the Passage of Ghouls. There will be a cave just next to it, enter the cave and follow the tunnels to the domain.
You have to do a puzzle, and you will need a fire character for this. Just light up four torches and then hit the switch to get the City of Deceased Domain.
