"Ten thousand years ago, during the Great War between the heaven domain and the venerated world, Saint Beast mountain was also deeply affected and became a half-solid, half-void part of the virtual sky domain. It was the most remote part, connected to the endless void, and the turbulence around it was like blades. The domain formed after the battle between the two great Planes didn't completely disappear, forming a natural defense with the turbulence wind blades.