Can I Not Be Invincible with the Xianwu Trading System?

[High martial arts + decisive killing + cool writing + genius + love + humor + micro system] Chen Mubai, a second-year high school student in the city's Gaowu Academy, accidentally awakened to the immortal martial arts trading system. From then on, he bartered and embarked on a perfect life of pushing geniuses and pretending to be invisible. "Trade Option 1: The Golden Nectar from the Immortal Spring Underground in the Green Mountains of the Immortal Dojo Trading reward: A piece of longevity fruit of great enlightenment, which can permanently increase one's own understanding attribute by 2 times. " "Trade Option 2: Our sect leader is capable of studying the world's physics techniques and inheritance. Trading reward: A set of secret techniques from the Gale Wind Sect, which will make those who have mastered it shrink to an inch. " "Wait, don't worry, let me not talk about your so-called longevity fruit and secret method. Where can I find the fairy spring and the inheritance of techniques for you? "Wait a minute, Nongfu Spring is the nectar of golden branches, and a perfect score on the physics test paper is the inheritance of physics techniques? " "Then I'm not invincible? "