Method to Obtain Thunder and Yang Spiritual Roots Cultivation Techniques

[Ding! You have diligently cultivated the first volume of the Black Yin Devil Technique. Proficiency of the first volume of the Black Yin Devil Technique +10.]

[Ding! You have diligently cultivated the first volume of the Black Yin Devil Technique. Proficiency of the first volume of the Black Yin Devil Technique +15.]

...

[Level 1. Black Yin Devil Technique, First Volume (Upper Limit Level 5): 32/20000]

After a night of cultivation, Lu Yuan discovered that his proficiency in the first volume of the Black Yin Devil Technique had increased by 32 points.

After reading the notification on the system interface, he also understood the power of this cultivation technique.

This was because this was one of the few cultivation techniques that he could not cultivate to the maximum level of Level 10.

But even so, just cultivating this cultivation method to Level 5 would help him improve by leaps and bounds.