Fibster's Fluid

Alchemy [Tincturer] - Apprentice
Time: PT40H
Value: 120 gp

Tools: alchemist's supplies
Ability Check: DC 10 Wisdom check
Properties: fluid
Description: As an action, a creature can drink this bitter, purple fluid; its effects last for 10 minutes. During this time, the creature has advantage on ability checks they make to deceive or mislead another creature, such as Charisma (Deception) checks. The creature's tongue is also stained purple for the 24 hours. Another creature can notice this discoloration with a successful DC 15 Wisdom (Perception) check.