>>280647104
>To create kodoku, sorcerers would mix several insects in a jar, and let them kill one another until only one survived. The fluids of the insect that survived would be used to poison an individual with a curse that would control them, cause them misfortune, or kill them. The remaining insect could also be used as a sort of "luck charm" granting the one who performed the ritual great wealth.
Its going to be a life from death thing, the Sword Saint created life out of the slaughter he did. That's how Yura knows the truth