Cultivation by Magic: It All Begins With a Bead!

A young man from a world of magic encounters the Blood Sea Heavenly Demon Pearl, a supreme treasure from the world of cultivation. It grants him countless tomes from another world, and from then on he embarks on the path of the Nine Nether Demonic Way. A warrior's corpse? Top-grade material for refining corpses. Come, let me help you reach the peak again! Undead? They can be raised into ghost kings. I'll make sure you can hold your head high in the face of holy light! A magical beast's bones? They can be refined into a magical treasure. I'll spare you the indignity of becoming dog food! Succubi? They can be used for dual cultivation... (*3) ...In short, this is probably a story about a young man from a world of magic spreading the glory of demonic cultivation.