Having evolved into Four Spirit Treasured Body, Zhang Ruochen now possessed a healing ability. Although less powerful than Innate Extreme Yang Body and Immortal Saint Body, its recovery rate was faster than the others.
At this point, the wound on his leg was already healed and formed into a scar. He stood up slowly and turned towards Saint Xuanyi. He said, "The human disguise of an immortal vampire is almost impeccable. Almost. It has its flaws too. Since everyone is eager to know, I shall discuss this."
"First, there are wings on their backs. Even in their human form, their bone structures are very different from humans'."
"Second, the human shell takes its form mainly from blood. That immortal vampire managed to deceive all the saints from his disguise as Half-Saint Xuanlong by draining him completely, feeding on his body essence. It is hardly noticeable, no matter how deep your cultivation is."