Sign in to the Immortal Emperor: My Invincible Sect Development System

[Invincible at the beginning + sect cultivation + decisive killing + all disciples are evildoers] "Ding! Congratulations to the host for signing in and gaining the cultivation of Immortal Emperor. Lin Han, the ninth-turn immortal emperor in his previous life, was reborn after being betrayed by his beloved, bound to the [Invincible Sect Development System] Obtain resources, disciples, skills, and sect-suppressing treasures through sign-in, and cultivate the abandoned small sect into the strongest in the world.