That means there is no reproductive isolation.
Basically, everyone looks somewhat different, but the body structure and overall framework are similar, as they all originated from the same group and diversified over time.
So, Lv Zhaoru's mention of demon blood, could it refer to these special existences left behind by the crossbreeding of demon and human races?
Half-Demon?
Thinking until this point, Yuchi carefully perceived the man before him.
However, he couldn't sense even a trace of Demon Qi from this man.
Lv Zhaoru had no idea what Yuchi was thinking, and he continued speaking according to his own thoughts:
"Brother Yuchi, you might not know what the ancient demon blood is now, but just know that it is a rather special kind of existence."
"Once coupled with some elixirs of Xuelan Valley, the divine power within this blood can be activated."
