As the days and months accumulated, once the power within the Half-Immortal Artifact Treasure Umbrella grew sufficiently immense, the moment it was triggered at a critical juncture, its might would inevitably be astonishing.
This was also why many treasures refined over long ages often erupted with especially terrifying power upon entering the world, far surpassing the capabilities of the magical treasures themselves.
Yet after such treasures were refined by cultivators, they gradually returned to their true level.
After all, even if cultivators continuously nurtured treasures with their own cultivation power, few would spend centuries or even millennia solely nurturing a single treasure just for one overwhelmingly powerful strike at a crucial moment.
Power that was too astonishing was also a burden and a source of wear for the treasure itself.
Naturally, the Half-Immortal Artifact Treasure Umbrella was an exception.
Or rather, its rank was there for all to see. As a Half-Immortal Artifact supreme treasure, the upper limit of power it could bear far exceeded that of ordinary treasures.
When it first emerged, it already contained the full Immortal Essence Cultivation Power of a quasi-Immortal at the Mahayana Ascension stage.
With Su Shi'er's current cultivation realm, no matter how much more Immortal Essence he poured into it, he would remain far from reaching the Treasure Umbrella's limit.
He focused primarily on cultivation and raising his realm, while continually pouring Immortal Essence into the Half-Immortal Artifact Treasure Umbrella throughout the process.
That had, in fact, been Ren Yunzong's main purpose in giving Su Shi'er the Essence Condensing Art.
It killed two birds with one stone—or, more accurately, accomplished several things at once.
After all, compressing Immortal Essence was also immensely beneficial to a cultivator's cultivation and strength. Moreover, during cultivation, the Primordial Spirit in the Sea of Consciousness could simultaneously cultivate