The Heavenly Prison Lock required only a few core materials. One was aconite root, which contained large amounts of aconitine.
In small medicinal doses, aconite root could treat profuse sweating with cold extremities, cholera-induced cramps, and weakened kidney yang.
But even a slight overdose made it an outright deadly poison, causing numbness of the mouth, tongue, and limbs, followed by arrhythmia and ultimately cardiac arrest.
It also required auxiliary medicinal ingredients such as datura seeds and mugwort, along with Pine Pitch as an accelerant.
Chen Ping could supply all the medicinal ingredients himself. As for Pine Pitch, the military camp naturally had no shortage.
In just half an hour, Chen Ping finished grinding the ingredients, packed them between layers of Pine Pitch and charcoal, and lit one portion.
Pale cyan poisonous smoke rose, but it quickly dispersed in the air until scarcely any trace remained.
"Aren't we after colorless, odorless poisonous smoke? The colorless part looks fine, but how do we check whether it's odorless?"
Watching Chen Ping raise the poisonous-smoke torch called the Heavenly Prison Lock and wave it around inside the tent, releasing clouds of poisonous smoke, Xu Sanshi scratched his head in puzzlement.
"Why isn't anyone saying anything? Why are you all just looking at me?"
"Did I say something wrong? You can tell it's colorless with your eyes, but how do you check whether it's odorless?"
Before Xu Sanshi could say much more, he suddenly felt as though a pair of enormous, invisible hands had clamped around his throat. His eyes rolled back in distress.
His breathing became agonizingly difficult, and his limbs turned utterly rigid. Unable to move, as though he had been thrown into a heavenly prison and strung up in iron chains, he toppled backward, stiff as a board.
Now sprawled on the