Mortal Fire Refines the Golden Crow

"All fires under heaven are divided into nine grades, each grade a barrier to longevity." In this cultivation world, prodigies fight tooth and nail over the Earth's Core Yin Fire, Nascent Soul elders deplete their lifespans to sustain spiritual flames, and ancient immortal clans monopolize the world's fire veins. Gu Qingxuan, transmigrated as a lowly furnace-tending servant of the Spirit Sword Sect, guards a leaky, broken bronze cauldron, finding this world utterly absurd. Fire? Why fight over it? Take a spoonful of morning dew, draw a wisp of first sunlight, and let Kan and Li revolve within the cauldron— On that day, from the broken bronze cauldron flew a primordial Pure Yang Golden Crow whose cry shook the nine heavens! No need to devour strange fires, no lifespan consumed, temperature follows the heart's whim, and flame power never wanes! While famed alchemists carefully control their fires and still blow up their furnaces, Gu Qingxuan casually pats his hand, and flawless nine-pattern divine pills pour forth; while fire-vein immortal clans blockade spiritual veins and flaunt their might, Gu Qingxuan flicks his green sleeve, and the Golden Crow in his bosom becomes a sun patrolling the heavens, burning away the frost of ten thousand ages! "The nobles of the world fight over strange fires, while a mountain lad boils leftover tea." "When the nine heavens thunder and roar, one furnace's red sun lights a thousand homes!" — Description from novelcodex.org