My name is Qingnang — after the Blue Bag. My master named me, hoping I'd inherit the mantle of Hua Tuo: the old master, dying, sealed his life's medicine into a blue bag and passed it down. Our line takes its name from that bag.
I ran a clinic in the county seat for twenty years. Three months ago, the demon den's little yao raided the town at night. They took nothing else — just me and my medicine chest. Now I'm the physician of the wound-tent.
My patients are little yao. Whip cuts, blade cuts, burns. I treat them all. People curse me: Qingnang, you heal yao? I say: I heal what's alive. A yao's life is also a life — and besides, half the cots in this tent hold captives, not yao.
What truly keeps me from sleep is the demon king himself.
He carries an old wound. Left ribs, third bone — a saber cut older than old, deep to the viscera. Twenty years of practice, and I've never seen anyone survive such a wound, let alone survive it three hundred years. Yet he lives. The wound doesn't fester, doesn't close, doesn't weep. It simply stays open. Three hundred years.
Last month, the king summoned me to his tent to change the dressing. I dared to lay fingers on his wrist.
Thirty years of reading pulses. That night I read the most frightening pulse of my life.
The demon king's pulse beat, and beat — and stopped.
One breath. Two. Three. My own fingers went cold — three breaths without a pulse is a dead man. And on the fourth, the pulse returned on its own. Steady. The king never lifted an eyelid.
A heartbeat that stops by itself, and starts by itself. Listen: that isn't toughness.
That's the pulse of someone who has died before.
Twenty years, and I know a dead pulse. It's exactly this: stopped. But a pulse that dies and returns — my medical books don't have it. The demon king has died — and not once. Between stops there's not a flicker of disorder in him. Practiced.
Practiced means it happens often.
I've written it all into my casebook, hidden in the lining of my medicine chest. If you fight your way in, find the chest first. On the last page I've recorded the wound's position and depth: left ribs, third bone, angled down, four and two-tenths inches deep.
That wound was dealt to him twice, three hundred years ago, with the same stroke.
The first time, it split him in two. The second time —
The second time, it failed to kill him.
If you face the king, go for that spot. Don't ask whose stroke it was. Look at the shape of that old wound on his ribs yourselves — and you'll understand what happened on this mountain three hundred years ago.