You Asked Me to Forge Something, So Why Am I Using My Own Body as the Material?

(High-martial + satisfying power fantasy + leveling progression + equipment-focused) From the start, he has a forge capable of smelting anything. Discarded rabbit bones → [White Bone Greatsword] → Hardness +300%! Broken gears → [Steam Heart] → Endurance +1,000%! Lava core → [Five-Element Reactor] → Ultimate form: [Abyss: Planet-Destroying Furnace], capable of smelting the Titan gods like ore in a single gulp! Standing amid mountains of corpses and seas of fire, Xu Mo smiles. “What should I build for the next Ruin Realm?” The myriad races tremble. “He's not a martial artist. He's a developer of the Myriad Worlds!”