The Sect Is Under Siege, I Am Invincible with One Sword

Wu Di traveled through the world of immortality and awakened to the system of growing stronger by farming. He farmed diligently for ten years. However, on this day, the sect was brutally besieged and was about to be destroyed. Wu Di received the system reward: [Invincible Sword] From then on, Wu Di killed everyone he met with one sword. He had no opponent, and he didn't know where his limit was. He crushed everyone along the way. He could kill the Empress, Immortal Lord, and Holy Lord with one sword. Wu Di: I have been slapped in the face for three thousand miles with a sword, but I am the best in swordsmanship.