Most importantly, Zhu Wuyan was not planning to cultivate the Nine Dragons Mystical Art, nor was he planning to cultivate the fundamental Mystical Art of any other mountain range.
He only wanted the Ten Thousand Poison True Technique!
This True Skill was even known as the number one poison skill in the world. It was said that it led directly to the Great Dao. Not to mention the Form Synthesis Stage, it could even be achieved above the Form Synthesis Stage. It was the cornerstone divine skill of the Thousand Poisons Sect!
The 99 mountain ranges were nothing more than inferior products in front of the Ten Thousand Poison True Technique. Even so, they could support a super immortal sect and dominate the entire Southern Wasteland. One could imagine how powerful the Ten Thousand Poison True Technique was.