C50 Millions of Years
There was no hesitation or delay in kneeling! The word "Young Master" shocked both Lei Yan and Elder Mu at the same time. This was undoubtedly more shocking and sudden than a bolt out of the blue.
His entire body stiffened at that moment, and even his breathing became rapid.
In this world, there was someone who could call Lei Yan like this. There was only "Three Protectors, Twelve Sacrifice Men