Challenge #95: "Gregory's Unctuous Unction"
Created by Gregory the Smarmy, Gregory's Unctuous Unction is described by the HP Lexicon as a beverage that "persuades the drinker that the giver is his/her very best friend."
One HP character drinks it, either knowingly or unknowingly. Which character drinks it, who gave it to them, and why, is all up to you.
One HP character drinks it, either knowingly or unknowingly. Which character drinks it, who gave it to them, and why, is all up to you.