```
But the spiritual energy he had just devoured would have taken at least a hundred or eighty years to accumulate naturally.
Although the lifespan of Hollow Void cultivators might be somewhat exaggerated.
As far as Yu Xian was concerned, he could no longer feel the limit of his own lifespan.
Whenever his body naturally lost a bit of strength, that illusory world would supplement it, neither increasing nor decreasing, keeping his physical body and Primordial Spirit in a balanced and perfect state.
In other words, as long as that illusory world did not wither, his lifespan could theoretically reach the same length as heaven and earth.
But Yu Xian had an intuition that it wasn't that simple.
Theory is just theory, after all, who can know what pitfalls lie within?
After all, even the sun will extinguish, and the world will end eventually.
