"Demon Binding?"
Xu Qianqian's eyes flashed as she turned her gaze toward Su Ming.
Su Ming noticed Xu Qianqian's gaze. He scratched his cheek, then finally explained it to the young heiress.
"It's a Spiritual Art from the Extracurricular Sequence, specifically used to control Phantom Demons."
Su Ming's concise explanation left a trace of understanding in Xu Qianqian's eyes.
No wonder those Phantom Demons obeyed Su Ming's orders and worked tirelessly for him. So it was all because of this so-called Demon Binding technique?
But—
"You even learned such an obscure Spiritual Art from the Extracurricular Sequence?"
Xu Qianqian was rather surprised by that.
Compared with Spiritual Arts from the Intracurricular Sequence, those from the Extracurricular Sequence had far too many limitations. They were also extremely difficult to develop, and considering how hard they were to learn, such techniques were not only obscure but also exceedingly rare.
The fact that Su Ming had learned such an obscure Spiritual Art would have surprised anyone.
Still, according to Su Ming, this technique seemed capable of controlling Phantom Demons and making them serve him. Its effects could indeed be called astonishing.
At the very least, Xu Qianqian had never heard of a Spiritual Art capable of controlling Phantom Demons. No one in this world had ever been able to tame Phantom Demons for their own use. Only some extraordinary items created by Alchemy Masters on a whim could produce an effect that controlled Phantom Demons, and even then, the effect was extremely limited.
If Su Ming could truly control any Phantom Demon at will, that would be rather frightening.
Perhaps this man could use this technique to directly create a Phantom Demon army powerful enough to destroy an entire Base City. That was not impossible.
While Xu Qianqian fell into deep thought over