Within the abyss, the small gray cauldron hovered silently in the air as wisps of black lightning flickered across its surface. The ambient spirit energy surged toward it from everywhere, only to disappear the moment it drew near.

Without warning, a bolt of black lightning burst from the cauldron and blasted a deep hole through the earth vein. Luo Chen stared at the damage with surprise. As he had suspected, the Primordial Unity Cauldron had already advanced into a True Artifact. The many formations and restrictions within it had fused completely into its materials, allowing the cauldron to resonate with heaven and earth. As a result, it had grown noticeably stronger, to the point that even the Withering-Flourishing Fire Sprite kept its distance with fear. Presumably, it was wary of the cauldron's unique ability to capture things.

What surprised him most, however, was the black lightning. Its properties were identical to those of the lightning beast from the final round of his tribulation. The bolt was naturally weaker than the lightning the beast had wielded, but its power ultimately...