I Have a Sword to Kill Evil

In the first year of Dasheng Shenlong, Li Wuji traveled through time and became a young swordsman in Beijian Mountain, the first three sects of the dynasty. No system? But I have extraordinary abilities and a profound understanding! People's livelihood is in decline and corrupt officials are rampant? I will create a new world with one strike of my sword! Demons invade and the country is in danger? Watch me slay evil spirits with one sword! In this world, there are friends, wine, and confidants... "I am here to kill the evil Qing Tian with one sword. I am Li Taibai, the great master!"