I'm a Demonic Cultivator. So What If I Make a Few Zombies?

[No System + Demonic Cultivation + Ruthless + Travel Between Two Worlds + Multiple Heroines + Slow Burn] Reborn as cannon fodder in a demonic sect, he must survive ten years of deadly competition, with only one person left standing. The difficulty is hellish from the start! Fortunately, Ye Feng can travel to a post-apocalyptic wasteland! Both worlds are resource pools for him! A pack of instant noodles gets him a whole chest of spirit stones in the wasteland! [Ordinary Zombie] → [Bronze-Grade Evil Corpse] → [Half-Step Flying Zombie, Devourer of Netherworld Cold Iron] → [King of Ten Thousand Corpses]! [Abandoned Factory] → [Mobile Immortal Estate, Listening-Rain Pavilion] → [Eight-Legged War Fortress Ruling the Wasteland]! [Bottom-Rung Disciple of a Demonic Sect] → [Apocalypse Arms Tycoon] → [The Only Super-Trader Between Two Worlds]! His strength increases a hundredfold! His wealth grows ten thousand times over! While his fellow disciples fight to the death over a single low-grade spirit stone, Ye Feng quietly pulls out a mountain of spirit stones and gives them to his zombie pet as a chew toy. While Senior Sister is fretting over a single cultivation manual, Ye Feng has already emptied an ancient immortal estate, with jade slips of cultivation arts piled up like mountains! “Ancestor Tianyin wants to possess me? The Red-Clothed Ghost King wants to enslave me?” “Once I consolidate the resources of both worlds and refine a tide of billions of corpses, I’ll kill any god in my way and butcher any demon!” “My goal is to become the strongest schemer in both worlds… No, the one and only king!”