Breaking Through to the Seventh Tier, Phantom-Armed Demon Venerable (4.4k, Please Subscribe)

Imprinting the "Law of Darkness" within the "True-Spirit Immortal Bone" was not an easy step.

Every law between heaven and earth was incomparably vast. The enormous amount of information it contained not only dealt a tremendous blow to a cultivator's divine soul, but during the step of "uniting with the Dao, melding with the body," the immense quantity of heaven and earth essence it carried could easily burst a cultivator's dharma body apart with the slightest misstep.

Therefore, although Wei Tu had successfully comprehended the "Law of Darkness" as early as the mid-stage of Void Refinement, he still proceeded with utmost caution during this step, not daring to be the least bit careless or negligent.

Better to be slow by a year than hasty by a day.

Time slowly passed.

In the blink of an eye, the sixty-year deadline agreed upon by Wei Tu, Miao Shu, and Jingkong was nearly at hand.

Thanks to the isolated, sealed environment of the Solitary Spirit Mountain Secret Realm, as well as the various restrictions and formations Wei Tu had arranged in advance, not a single person outside noticed the commotion from his breakthrough.

However, in terms of the laws of heaven and earth, the Solitary Spirit Mountain Secret Realm was still attached to the greater plane of the Ancient Demon Realm. No matter how well it was isolated, it gradually caused subtle, even obvious, changes in the outside world.

"What is that alchemist surnamed Fu doing? How could he cause such a huge disturbance?" Jingkong, who had been flirting with a maidservant in his cave abode, suddenly sensed something. He raised his head and looked at the heaven and earth spiritual energy constantly gathering toward the Solitary Spirit Mountain Secret Realm.

The total amount of this heaven and earth spiritual energy was