After Twelve Years of Studying in the Academy, I Am Already Invincible

Chen Mu traveled through time. The Wei Dynasty was in turmoil, tyrannical warriors were rampant everywhere, and practitioners of various major sects had strange magical powers. Barbarians, monsters are eyeing you, ghosts and monsters are causing chaos... Chen Mu hid in Wei Academy, became a librarian, and awakened the system. Read the biography of Wen Sheng and get "Haoran Zhengqi". Read Taoist health books and get "Secret of Immortality" Read the martial arts techniques and get "Eight | Nine Mysterious Techniques" Read the deeds of sword cultivators and get "Zhuxian Sword Formation" … There are countless books in the academy, and Chen Mu is addicted to them, and he has obtained countless magical and secret treasures. Twelve years later, the world changed drastically, and the Wei Academy bore the brunt. In order to prevent the library from being destroyed, Chen Mu had to stop it...