Thorough Refinement, Mysterious Thunder Domain

Han Yi had walked this mysterious territory for seven years. Over those seven years, he had traversed the entire land, and wherever he went, he investigated the situation underground.

The result was just as he had expected. Beneath this territory was metal, and the hardness of that metal far surpassed his imagination.

Whether it was ordinary immortal artifacts, Dao swords, or the Taosi Divine Axe, none could leave a mark upon this metallic material.

He became increasingly certain of his conjecture: the territory beneath his feet was, in reality, an incomparably massive artifact. It might have been an unimaginable weapon, a Dao vessel capable of carrying people and objects, or perhaps even a fragment of some weapon.

Every Divine Aperture World within his body could now transform into a world. Within the Dao Domain, extracting a portion of those Divine Aperture Worlds could also form land as vast as this.

But considering the hardness of the metal beneath this territory, as well as its ability to bear so many terrifying giant corpses and broken artifacts, the master of this artifact must have stood far above Han Yi in realm—at the very least, a peak Heavenly Venerable, perhaps even a half-step Transcendent or an exalted powerhouse at the Transcendent level.

Besides.

When he had first descended, he had discovered that a line of text on his panel had changed without his noticing.

World Force: 12

Moreover, from the panel's prompt, he learned that this place was called the Land of Return to Ruin. Yet he had never seen that name in any Dao Domain scripture. Even if such a name existed, it must merely have been a namesake, for none of its characteristics matched.

After seven years, that number had become 21. He discovered that World Force increased whenever he approached