The space was exceptionally chaotic, the entire world pitch-black.
At the far end of the sky, one mighty Thunder River after another coiled like giant dragons.
One end took root deep in the void, while the other hung down like a galaxy, dense black lightning arcing through it as it crashed endlessly into the Thunder Sea below, sending up sprays of lightning.
This vast, boundless, mysterious Thunder Sea had been formed entirely from Black God Lightning!
The nine-layer Thunder Territory, open to a million Northern Heavens students, had all evolved from a portion of the thunderous power leaking out of this place. Its spiritual energy level had fallen by who knew how many tiers.
Splash! Suddenly, waves burst into the air as an Ancient Demonic Bird, its body burning with black flames, spread its enormous wings and leaped from a black river flowing with Thunder Slurry.
It rolled upon landing, transforming into a dashing young man in splendid robes.
"This really is the last layer of the Thunder Territory."
Mu Chen surveyed the mysterious world. Violent fluctuations rippled through the air, and a warm smile curled his lips. His guess had been right.
Since the Nine Heavens Thunder River ran through the entire Thunder Territory, how could there not be a tenth layer?
By following the surging Thunder Slurry upstream, he was bound to reach the final layer!
He just didn't know whether the Northern Abyss Dragon Kun was here.
Never mind. Even if he was, Mu Chen wouldn't be able to sense him.
An Ancient Divine Beast on the verge of entering the Earth Sovereign level was hardly someone an academy student like him, who had only just entered the Heaven Transformation Realm, could detect.
Mu Chen gave up worrying about it and turned his attention to the vast