Easy-going, but rigorous about medicine
In the official profile, Qi Wen is good-natured and deeply ethical, yet meticulous in his craft, focusing on how illness works and how remedies combine.

Black hair twisted into a simple topknot with a few loose strands at the temples, gentle eyes, a goatee and an easy smile as he bends over a stone mortar, grinding herbs with a pestle.
A white cross-collared under-robe beneath a loose grey-green outer robe tied with a dark cloth sash, a gourd and a bamboo medicine tube at his hip, dark brown trousers with wrapped leggings, and a wooden medicine chest bound with rope on his back.
A wooden veranda in the mountains during rain. A lit lantern and sprigs of white blossom hang from the eaves, compartmented boxes of herbs and a bamboo tray of dried ingredients sit at his feet, and beyond the rail lie misty green peaks, a stream and distant houses.
In the official profile, Qi Wen is good-natured and deeply ethical, yet meticulous in his craft, focusing on how illness works and how remedies combine.
He never credits a chance recovery to miracles or mysticism, an attitude that stands out in the age he lives in.
Carrying his chest from village to village, his journey naturally suits an episodic structure.
They arrive in the same village, one talking about medicine and the other about miracles, and the villagers do not know whom to trust.
The first lesson Qi Wen teaches is not a prescription but how to ask a patient exactly where it hurts.
A possible opening: a village credits a patient's recovery to the mountain god, but Qi Wen finds the real reason in the leftover herbs.
A storm traps Qi Wen on a mountain veranda, and a family comes through the rain seeking help.
Qi Wen has a remedy in mind that might work, but he is not sure, and refuses to test it on a patient.
Historical healer anthologies, rural travel tales and period mysteries with a reason-versus-superstition flavour.
The topknot and goatee, the grey-green robe over a white under-robe, the gourd and bamboo tube at his hip, the wooden chest on his back, and the mortar and pestle.
Be careful not to present them as real medical advice. Focusing on his evidence-first way of thinking fits the character better and is safer.