On the day of his spiritual root test, he was found to possess a fifth-grade root. In this lifetime, it would be nearly impossible to break through the Mid Qi Refining stage.The immortal sects refused to accept him. The path to eternal life seemed forever closed.Coincidentally, the Demonic Sect was collecting s*aves from across the lands, those with poor aptitude, branding them as “Spirit s*aves”. They used a forbidden cultivation art that burned lifespan as fuel, raising numerous batches of expendable materials. These s*aves would sacrifice their own cultivation to produce spiritual sand, a resource consumed by the Demonic Sect.Wang Yu, captured from Stone Lake City, was taken to the demonic lands. As a spirit s*ave, he entered the demonic path. Fortunately, he possessed the mysterious [Idle Slot] , which could solve many of his problems!——[Idle Slot 1: Bloodburn Art]Bloodburn Art (0/100): Train 48 sessions per day; achieve mastery in one year.Note: (The introduction can’t do it justice—please read the main story.)