Dressed as a Short-Lived Villain, I Pick up Leaks Behind Closed Doors and Become an Immortal

Transform into an arrogant villain who can't survive more than three chapters in the novel about cultivating immortals? Su Xuan decided on the spot: close the door! Retreat! No one will open the door! Others seize the opportunity and end up bleeding. I pick up all the discarded spiritual energy, medicinal dregs, and residual heat from all over the world! Once the system is turned on, it will automatically pick up leaks, and your cultivation will skyrocket when you close the door! Sect competition? Don't go! Secret adventure? Don't go! Mess with the protagonist? Not even looking for death! On the surface, I am a disciple of the inner sect of Foundation Establishment. Secretly, he has been relying on picking up leaks, quietly becoming an invincible old monster! Even if you are involved in life and death, If I close the door and pick up leaks, I will be honored by the heavens!