Undercover in the Immortal Sect: The Spy Who Saved the World

Shadow Fiend just wanted a quiet life doing absolutely nothing—but the Demon Lord had other plans. Thrust into the immortal realm as a bumbling spy, his mission is simple: destroy the sect from within. Except everything goes hilariously wrong. He tries to sabotage the spirit veins? He fixes a millennium-old flaw and earns a medal. He attempts to spark infighting? He unites the entire sect and becomes their moral icon. He plans to stay invisible? He dominates every tournament while his master insists on passing down legendary techniques. Meanwhile, the Demon Lord keeps praising his "brilliant i…