Mastering the Great Dao of Soul Prototype, Three Leisurely Years, Charging for the Fifth Layer of Eternal Tower

Whether in the Vast Desolate Domain or the Star Ruins Realm, the soul was the foundation of a cultivator.

Methods such as alchemy, artifact forging, talismans, formations, and puppetry in the Vast Desolate Domain all depended on powerful soul strength.

Even Jiang Shu, having obtained the Void Venerable's Inheritance and the Great Void Heart Sutra, had seen his soul power gradually surpass that of other cultivators after entering the discipline.

Yet within the Inner Area of the Star Ruins Realm, he still could not be considered truly top-tier.

After all, Jiang Shu had not cultivated the Great Void Heart Sutra for long. Whenever he had spare energy, he devoted it to comprehending the Space Law. His own progress was ordinary, so naturally he could not compare with those geniuses who had begun cultivating all manner of formidable techniques upon entering the Forget Self Realm.

Within Soul Sweeping Mountain, he could rapidly strengthen his soul power.

Moreover, because he could now travel between the two worlds, he could make better use of Soul Sweeping Mountain than cultivators from the Vast Desolate Domain.

Other cultivators all needed Soul Crystals to replenish their soul power.

But Soul Crystals were ultimately limited. Furthermore, while absorbing a Soul Crystal's power to restore their souls, they remained in danger, liable to be assailed by the Soul Sweeping Demonic Sound at any moment.

Some of those old monsters could actually have entered the Inner Area much faster.

They had delayed only to let their soul power better adapt to the Soul Sweeping Demonic Sound, while gathering Soul Crystals and making more thorough preparations.

That was all they could do.

But Jiang Shu... even without relying on Soul Crystals, he could safely train within Soul Sweeping Mountain!

Because once his soul was injured, he could swiftly travel back