A character can attempt to harvest poison by making a DC 20 Intelligence (Nature) check on an incapacitated or dead poisonous creature. You can substitute the Nature check with an intelligence check made with the poisoner’s kit if the character does not have proficiency in Nature. The harvesting takes 1d6 minutes. The character harvests enough poison for a single dose on a successful check. On a failed check, the character is unable to extract any poison at all, and if they fail by five or more, they accidentally prick their finger and suffer the effects of the poison.