Master Zhang is a blacksmith and current owner of Hanfeng's Ironmongers located in Liyue Harbor. He is the son of Hanfeng, "Cold Blade", the previous owner of the smithy, and the cousin of Suling, the chief ironsmith of the Crux Fleet.
He is an imposing, Liyue man, tall and well-built, with rugged features, fair skin, dark eyes, black short hair, wears a brown vest over a short-sleeved, red undershirt, and carries a big, heavy hammer.
He hardly has any time, and so often talks while hammering.