Century of Check-Ins: Rise of the Demon Cult's Hidden Master

Stripped of his cultivation and dragged into the infamous Demon Cult, a young disciple discovers an unexpected gift—a mysterious sign-in system. Each day brings legendary rewards: divine martial arts, mythical weapons, and forbidden techniques. For a hundred years, he checks in silently, amassing unimaginable power in the shadows. When he finally steps into the light, the martial world trembles—because after a century of preparation, no enemy can stand against him. The weakest disciple has become the ultimate hidden boss.