C1628 The Cloud Saintess

The sea of blood in the Demon Clan's hibernation ground was built on the entire Myriad Demon Star, and coincidentally, it was located in the center of the planet.

The outer perimeter of the planet was a sea of blood, and within it was a lake of blood that spanned a radius of ten miles. The Demon Ancestors should be sleeping in the castle located in the center of the lake