As an Undercover Sect, I Rely on Deductions to Survive.

Chu Yun traveled through the world of cultivation and became a notorious outer disciple of the Shadow Pavilion. Inferior root bone? It doesn't matter, he has [Kung Fu Deduction System]—— As long as you understand the principles of the technique, you can spend points to advance and even complete the remaining chapters! However, the sect sent him to undercover the "Xuan Tian Sect", the leader of the righteous path. Failure in the mission would mean death. Faced with the suspicion of the Jindan elders, the conspiracy of fellow sects, and the threat of the heart-eating Gu... Chu Yun could only rely on the system to survive and develop in a low profile. "Paper Man Clone Technique" is completed → "Thousand Illusion Paper Doll Technique"! Deduction of "Basic Breath Concentration Technique" → "Baixian Breath Concentration Sutra"! He was an honest outer disciple of Xuantian Sect, slowly deducing the skills to increase his life-saving trump cards. Until one day—— When the frosty senior sister was in danger, Chu Yun controlled the paper man to secretly help her, but her flaws were exposed... "This Xuantian Sect is more dangerous than Shadow Pavilion!"