Ten Years Undercover: I Became the Demonic Sect Ancestor

Sent as an expendable spy into enemy territory, Jiang Hanzhou expected a simple three-year mission in the demonic sects. Three years became six. Six became ten. Now, a decade later, he's no longer just surviving undercover—he's risen to become a feared Demonic Ancestor himself! Caught between the righteous cultivation world that abandoned him and the demonic forces he's infiltrated, Jiang must navigate deadly sect politics, suspicious allies, and the ultimate question: after ten years of playing the villain, has he become the very monster he was sent to destroy?