Objectively speaking, Wang Lu's victory was really based on luck.
A Jindan fighting a Yuanying, especially a well-known monster Yuanying in Nine Regions, was really a suicide. Not to mention that Wang Lu was still in the preliminary Peak Jindan Stage, even if he advanced his various methods, techniques, and skills that he became a true Peak Jindan Stage, it would still be a fantasy to defeat Zhou Ming on the same Stage.
The reason for his victory was that, one, Zhou Ming was being lenient, not treating this as important as a life and death fight. Two, Wang Lu correctly executed his respond, cleverly letting Zhou Ming consumed Zhou Ming's acute spirit at the first stage of the fight. Three, Aya's accidental appearance had caused Wang Lu to have a second wind.
In addition, there was a bit of luck.
