In the world of Mengxu, fire exists only on Yuanhuo Mountain. Every flame elsewhere comes from there.
The Yuanhuo Sect controls Yuanhuo Mountain. For tens of thousands of years, it has controlled, refined, and sold fire.
Su Guya transmigrates and joins the Yuanhuo Sect, embarking on the path of refining fire to become a saint.
Deep in the mountains and valleys, he and his junior sister herd fire, much like shepherds tending sheep and cattle. Dozens of flames in different colors roam the forest like a flock, searching for plants and trees to devour.
At a riverside wharf, he and his fellow disciples bustle about, loading furnace after furnace of fire onto large ships to be sold in distant nations.
At an emperor’s birthday banquet, he attends as an honored guest and presents his gift: platter after platter of strangely flavored edible fire is served at the table.
When a fire convoy is robbed, he tracks the bandits to their lair and burns them to ashes with Dao Fire.
His body has been tempered countless times by Dao Fire. Harder than steel, it has sent many a powerful martial-world figure to their death at his hands.
His life is a tale of blood and tears, but they belong to other people.
(No System + character-driven storytelling + strong characterization)