The Blackwind Sea was located in the Northern Chill Immortal Realm. The Blackwind Sea was extremely vast and there were several places that looked like secret realms. The entire Blackwind Sea was blocked by a huge, desolate Blackwind. The sea around the Blackwind Sea was practically completely cut off from the outside world, and very few immortals from the outside world were able to break into the Blackwind Sea. One could only head to the outside world through a teleportation array on an island at the center of the Blackwind Sea.
There were over a hundred small, greyish-white islands scattered about in some obscure part of the Blackwind Sea. All of those islands were of different sizes, and all of them were less than 10,000 kilometers in area. All of them looked like strings of white pearls embedded in the jade wall.
Due to the unique environment, there were many families of cultivators and mortals living in the Blackwind Sea. As such, Earth Level Deities and early-stage Earth Level Deities like the Ancestor God were a common sight.