He transmigrates into Zhu Xiongying, who is on the brink of death, and discovers a Nine-Turn Pill Furnace inside his mind.
The furnace can reverse the effects of poison and turn them into corresponding benefits.
[Smallpox poison reversed: Poison resistance +1]
[Crane's Crown Red reversed: Constitution +1]
Someone in the palace poisons him. After one cup, he comes back to life completely.
The more poison he is given, the stronger he becomes.
A little demon child appears in the imperial palace, searching the entire harem for poisonous herbs and hunting snakes in the corners.
A cobra bites him. Ooh, what a rush! Spiritual awareness +1.
Until one day, he gets a copy of The Complete Guide to Potions from a foreign merchant...
"Father, drink this and you'll be back to full health."
"Grandfather, bottoms up. Let's march on Constantinople."
