Lin Feng, an Earth student in civil engineering, dies suddenly and has his soul transported to the continent of Erathia, where he becomes the desperate baron of the impoverished Greyrock Territory. Facing a wasteland left behind by the collapse of magical civilization, rampant monsters, and apathetic subjects, his only hope is the “Civilization Revival Assistant System (CRAS)” he carries with him: a knowledge base offering blueprints for Earth technology and plans for “magical” modifications.
A hellish start? Lin Feng becomes an engineer of the wasteland. Using the System to scan and improve tools, he builds water-purification devices and fortifications. Leading the few subjects who remain, he begins with improved farming tools and gradually lights up the technology tree. Using the local scrap material known as “magic-conducting stone,” he fires up the first **magitech furnace** and forges “Greyrock steel.” He trains apprentices in runes, etching magical “circuits” into steel to create **mana lamps** that light the way to hope and deadly **rune crossbow bolts**.
But one crisis follows another: hungry monsters, greedy neighboring lords, and even the **undead disaster** unleashed by necromancers from the north! Lin Feng refuses to back down. The magitech furnace roars without pause, while the workshops forge thundering **mana-powered armored cars** and **“Thunder Roar” mana cannons** that tear through the undead. He allies with mysterious elves and combines their ancient knowledge of runes, unleashing a torrent of steel and magic along the city walls to withstand the undead onslaught.
Greyrock Territory rises through blood and fire, becoming an unyielding beacon in the wasteland. But victory comes at a steep cost, and whispers from the abyss emerge among the undead remains. Lin Feng holds a strange black crystal as the System issues a shrill warning: this magitech industrial revolution has not only challenged the interests of the old order, but seems to have touched upon the destruction of the world
