The Five Thunder Sea Region was the most unique sea region in the Northern Sea Immortal Domain. It was rich in thunder and lightning, and produced abundant Thunder Attribute materials.
In a certain stretch of Black Sea, the seawater was black. Lightning flashed and thunder roared high in the sky as thick bolts of lightning tore across the heavens and struck downward.
The calm surface of the sea suddenly exploded. A blue-robed maiden with a graceful figure flew out from beneath the sea. Her face was pale, her right arm was missing, and a finger-sized bloody hole pierced her left shoulder. Her clothes were completely dyed red with blood.
There were several blood-colored Spirit Patterns on the blue-robed maiden's body, seemingly formed by nature itself. Her eyes were also blood-red, clearly marking her as a member of an Alien Race.
"Fortunately, I cultivated the Law of Water to Great Accomplishment. Otherwise, I would have been in grave danger this time. I don't know where those cultivators came from. Once I recover, I'll definitely come back for revenge."
The blue-robed maiden muttered to herself as she flew toward a Desolate Island in the distance.
With a shake of her sleeve, over a thousand Formation Flags glittering with blue light shot out, transforming into over a thousand streaks of blue light that plunged into the sea around the island.
The blue-robed maiden descended into a small valley surrounded by mountains on three sides. At the end of the valley stood a cave about ten feet wide, and she walked inside.
Before long, a large swath of blue mist surged up from the surface of the sea, covering the entire Desolate Island.
A gust of sea wind blew past, dispersing the blue mist. The Desolate Island vanished.
Even if a Golden Immortal cultivator