Inside his dantian, everything returned to calm.
His True Essence and spiritual power no longer flowed away, but more than half had already been drawn off, leaving only a small amount to maintain his basic functions.
Benjamin had no time to care about his weakness. He immediately sent his divine sense inward, carefully inspecting his lower dantian.
Within what had originally been an empty lower dantian, an extremely tiny space had now appeared!
This space was pitch-black. It looked deep and vast, but it was actually not very large—perhaps only two or three hundred cubic meters, about the capacity of a small house.
Purely in terms of "visual" sensation, it was like a patch of nothingness, as though it could devour even light itself. Yet spiritual power could explore it without the slightest damage or obstruction.
It floated there silently, without boundaries or support, entirely independent of his fleshly body and meridians.
Yet strangely, when the True Essence within Benjamin's body circulated, it deliberately passed through the location of this space, as though this was the junction point of his True Essence circulation method.
Understanding dawned on Benjamin in an instant.
This was the true effect, at the Foundation Establishment Realm, of the Inner Circulation Method he had quietly cultivated all along!
He had begun cultivating this method long ago because Great Dao Library's description said it could "isolate the inner from the outer and deceive heaven across the sea."
At the time, he had intended to use it to conceal his identity as a cultivator, preventing the wizards from discovering that he had mastered another extraordinary system. It was for self-preservation.
Over the years, Benjamin had habitually operated this Inner Circulation Method, allowing his True Essence to form a closed cycle within his body and cutting off direct contact