From Shrouding the Heavens: Stealing Heavenly Secrets-Section 645

For example: if one sealed oneself away and severed all contact with the outside, how could one ensure that one's Dao would not stray?

And without absorbing the essence from the outside world, how could one ensure that one's Life Origin continued to receive nourishment?

Li Zhi had once told them that only a True Immortal could give birth to Longevity Essence within their body and then rely on their own strength to achieve immortality.

Below the True Immortal level, any life-form that wished to live forever had to depend on the Longevity substance in the world.

However, if a True Immortal wished to continue growing into an Immortal King, he still needed the continual nourishment of the Great Universe. In fact, a True Immortal's cultivation often required the support of an entire complete universe to sustain his normal progress.

Only after becoming an Immortal King would one's dependence on the world's environment greatly diminish.

Faced with Li Xian'er and Jin Ming's various doubts,

Li Zhi explained everything to them.

He told them that a perfect Dao Seed already existed within the human body. As long as they continuously excavated the potential of their physical bodies, their own Dao could continue to grow.

Of course, throughout this process, they needed to constantly absorb the Heaven and Earth Essence from the outside world through breathing exercises.

After all, a Quasi-Immortal Emperor was still far from being able to give birth to Longevity Essence independently and reach a state where their Lifespan was limitless.

After hearing Li Zhi's explanation, Li Xian'er and Jin Ming were still uneasy. They felt that the Fan Transformation Art did not seem intended for people who were advancing by leaps and bounds. Rather, it seemed meant for those who had exhausted their potential and needed to lock