Thus, a thousand years ago, the High Priest finally found a suitable vessel, allowing it to successfully undergo the transformation of the "Spirit Essence," gradually turning it into a Great Spirit Body.
Unfortunately, despite the transformation bringing immense joy to the High Priest as the case was a successful one, and even though the power of the Great Spirit Body continued to increase until it reached the Limit Level, it got stuck at the last step and could never move beyond it.
What exactly went wrong, the High Priest never figured out. As a result, the Great Spirit Body lost control. Not only did it slip out of her control, but it even turned against her, leading to a thousand years of regret and shamed defeat.
But, driven by her obsession and to achieve her goal, the High Priest endured and began planning anew to create another Great Spirit Body.