Volume 6: Turmoil of Demons, Floor 9, 1383

The time that followed, the three did not linger and flew towards the direction of the altar.

Moments later, the three of them appeared before the altar. Ouyang Ming's figure flickered and appeared in front of the teleportation passage, flipping his hand to summon the Demon Abyss Key.

With a "whoosh," a sphere of black light enveloped the three present and vanished into the passage in the blink of an eye.

...

The ninth floor of the Demon Abyss Tower.

This was an enormously vast dark space, resembling a giant underground cavern, with rugged gray-white rock walls all around, adorned with some crystals emitting a purple glow, being the only light source here.

At this moment, in a certain part of the mid-air, the void seemed to be torn open, revealing a black line in the middle, which then split open to form a whirlpool-like luminous hole about a yard in size, from which a cluster of black light flashed out.