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Qing Chen had seriously reviewed all his memories related to knight training, then grasped a key point: one must experience all the life and death trials as an ordinary person.
Therefore, Lin Xiaoxiao, Ye Wan, and Li Dongze, immature and not resolute in their childhood, couldn't pass the initial scrutiny of the Breathing Technique.
By the time they grew up and became Awakeners, they lost the essential condition to experience the life and death trials as ordinary people.
This was once said by Lin Xiaoxiao.
Qing Chen guessed there must be a way for a knight to lock the Genetic lock again, otherwise, how could they complete the subsequent challenges? It would be too easy to experience the life and death trials with the identity of a knight, which would not fulfill the true meaning of experiencing life and death.
If he were to lock the Genetic lock again, he could only rely on his own body, and his training had to be persistent.