Zi Yan did not know much about the Demon Spirit Clan, so naturally, she could only make corresponding guesses and judgments based on everything she understood.
After all, no one could be expected to raise their understanding of the evil clans to some lofty level in a very short time. It was not as if they were a certain woman who could create Demonic Qi through normal meridian circulation with nothing but a simple technique.
Every craft had its specialty. Zi Yan knew she definitely could not do that.
But naturally, she could do things Yao Wan could not.
"Heh..."
Her full chest rose and fell slightly. Along with a low exhale, Zi Yan then drew in a deep breath.
"—Hm?"
The Demon Spirit Clan vanguard watched Zi Yan's somewhat strange movement, then immediately sensed the extremely unusual change in the surrounding space.
The flow of energy between heaven and earth had changed?!
The Demon Spirit Clan vanguard's strange vertical pupils, unlike those of an ordinary person, widened slightly, and an indistinct, ominous premonition unconsciously surged in his heart.
His perception had not been wrong. At this moment, almost the instant Zi Yan breathed in deeply, the surrounding Heaven and Earth Energy completed the process of gathering and transformation in the blink of an eye. As the energy converged, even though the woman before him had not displayed a powerful divine ability like his Supreme Fa Body, her aura still abruptly climbed severalfold in the space of a breath.
This was—
Even though he had already seen all sorts of strange Secret Techniques, when he faced Zi Yan's action of making her strength soar in a short time almost in the blink of an eye, he still could not help feeling his scalp go numb.
How exactly had she done