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"With these circumstances, knights undergoing the trial of life and death must be extremely dangerous. If someone deliberately obstructs them, the already slim chance of survival in the life-death threshold turns into certain death," Qing Chen asked.
"That's why knights must keep the trial of life and death a secret," Uncle Li Dong said.
"Is there really no way to forcibly reopen the genetic lock?" Qing Chen wondered: "Surely one is not simply at the mercy of others."
"There is, but I hope you'll never have to use it," Uncle Li Dong said: "After performing the Reverse Breathing Technique, if you forcefully employ the regular Breathing Technique, you can reopen the shackles, but the cost is that you'll have to remain at your current realm for the rest of your life."
Qing Chen fell silent for a moment: "Surely some predecessor paid the price for this."