Chapter 251: Cutting off the Black Nether River, Thousands of Miles of Marshes_2

In his ears, the soul-shaking clanging sound echoed.

However, before he could regain his senses, an unparalleled blade and sword radiance engulfed the heaven and earth, followed by a deafening rumble, like thunder exploding in the ears.

Immediately after, the heaven and earth barrier over the Black Nether River suddenly cracked, releasing a dazzling light, and a world-shattering attack descended.

In an instant, the rolling Black Nether River was forcibly severed, and the infinite river, free of all restrictions, surged up in waves, sweeping in all directions.

At this moment, the faces of the powerhouse martial artists in the Profound Darkness Sect's war fortress went through an abrupt and simultaneous change.

"What is that sound...?"

"It's the sound of the Black Nether River being severed."

Their voices wavering, some of the strongest Rune Seed Realm martial artists among them spoke.

Black Nether River.