Seven Thousand Years of Cultivation, and I Return from a Parallel World

[Urban Cultivation + Decisive and Ruthless + No System + Invincible] Betrayed by his own relatives, Su Lin survives a calamity and enters another plane, cultivating for seven thousand years and reaching the supreme peak! For the sake of his sworn younger sister, he cleaves open the Heavenly Gate with a single sword and returns, only to find that just five days have passed in his original world! “I have traveled the long river of time and mastered countless kinds of knowledge.” “I ride the wind on my sword and survey the cosmos. I am invincible.”