A very large mountain where the sun is in a permanent sunset, never being allowed to set fully. Fire-based monsters reside along the trail that leads to the peak and legend has it that all the people that reach the top are blessed by the god of Fire.
A Base for Sayami's clan, named Reaper's. This is where you'll usually find her. You have to request an audience however. So knock on the door and wait for her to allow you entrance, or you'll be killed on the spot.