Cultivation Invincible Sign-In System

In the world of immortal cultivation where the strong are like a cloud and the weak eat the strong, the outer disciple Lin Xuan has mediocre qualifications and is bullied. He is regarded by the sect as a "waste" with no future. However, an accident caused him to activate the mysterious [Invincible Sign-in System] - as long as he signs in every day, he can obtain skills, elixirs, artifacts, bloodlines, immortal weapons, and even the inheritance of the Immortal Emperor! From then on, Lin Xuan embarked on an invincible road of low-key development, pretending to be a pig and eating the tiger. Outer door competition? Kill instantly with one move! Secret trial? Exclusive opportunity! Demonic attack? One person controls the clan! Five major competitions? Sweep across the heavens! Fighting for the Immortal Mansion? The fairyland is shaken! Ascension to the fairy world? Fight all the way from outer disciple to the position of Immortal Emperor! Not only is his strength unparalleled, but he has also won the admiration of the saint Murong Xue, the admiration of Su Waner of the Myriad Medicine Valley, and the followers of the demon saint Liu Ruyan, forming an enviable "harem of three heroines". However, as his level increased, Lin Xuan gradually discovered that behind the sign-in system, there were ancient secrets related to the survival of all heavens and worlds... From being a waste in the mortal world to becoming the supreme being in the immortal world, from relying on the system to transcending eternity, Lin Xuan used his invincible appearance to crush the conspiracy, suppress all enemies, and finally create a fair, peaceful new era where everyone can cultivate immortality!