Qing Chen, while listening to Uncle Li Dong's stories about knight traditions, could imagine how many brambles the knights' ancestors had to cut through to forge a new path.
Because the sea environment no longer allowed them to complete the eight life-and-death trials, they had to find their own way out.
He asked, "What is the relationship between the Breathing Technique and endorphins? Why can the early unlocking of the Genetic Lock be aided by the Breathing Technique?"
"Because the Breathing Technique enables you to secrete endorphins instantly after feeling pain, which is itself a skill to control your body. If you use the Breathing Technique to train your body, you can cover in three months what others take several years to achieve," Uncle Li Dong answered, "So when you complete the life-and-death trials entirely with the Breathing Technique, the level of endorphins in your body is far above normal levels."
"Are there other effects?" Qing Chen asked.