Ancient lore held that the reverse scale was a vulnerable spot, a flaw, upon a true dragon's body. Whoever touched the reverse scale would be killed by the true dragon, without exception.
It was the same as the Human Clan's way of thinking: anyone who knew my weaknesses and flaws could not be allowed to remain.
Thus, there was another claim—that the reverse scale was a white crescent-shaped scale between a true dragon's throat and heart—but that was not to be trusted.
If everyone could learn where the reverse scale lay, then there would be no saying, "Touch a dragon's reverse scale, and you die."
Even if such a thing truly existed, it would only represent an individual case; it did not mean the reverse scale was necessarily located there.
But no matter what, the reverse scale was a true dragon's sole weakness and flaw. That was beyond doubt.
In ancient legends and myths, Dragon Slayer Warriors often existed. They could defeat the strong while weak, and most did not simply rely on peerless martial arts or divine abilities to blast true dragons and Evil Dragons to death. Rather, they found the reverse scale of a true dragon or Evil Dragon, then pierced it with a special technique or a divine weapon's sharp edge. Only then could they slay a dragon.
Though Meng Zhao possessed the Purple Origin Dragon Body and was the emperor of all dragons, the Supreme Among Dragons, he still could not escape the innate defect of a true dragon's body. Naturally, his dragon body also possessed a reverse scale.
However, when that exceedingly strange and mysterious eyeball shattered under the effects of Emperor Yu's Light and Shadow, annihilating the divine thought within it before turning into a scale composed of Yin-Yang Qi and merging with his