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Hearing Xu Zhiyuan's words, Chen Tian realized what he meant.
Cultivating the first seven levels is relatively simple for cultivators with sufficient talent, as they only require an adequate amount of spiritual Qi to progress.
Body Refinement involves using spiritual Qi to enhance physical strength and resilience.
The next level, Qi Refinement, involves refining one's spiritual Qi to enhance internal energy and power.
At this stage, cultivators can begin utilizing their Qi for practicing martial arts techniques and combat skills.
The Meridian Opening Realm is where things start to get more complex. Opening all ten meridian channels requires using refined Qi to unlock the full potential of one's internal energy flow.