"Xuan Iron Order": Ye Qingyu, a young man, picked up a piece of rusty iron in a ruined temple and was able to summon an ancient iron cavalry. He pretended to be a blacksmith apprentice in Qingyun City, but when the city lord's son was trying to marry him, he waved his hand and summoned three thousand soldiers. The iron order was hot in his palm: "It's time for a new master in this world.
