This flask was owned by Percival Graves and was intended to hold Polyjuice Potion.[1]

Behind the scenes


Notes and references

  1. 1.0 1.1 Fantastic Beasts and Where to Find Them: The Art of The Film (see this image)
  2. JK Rowling FAQs - 5. Why did ‘revelio’ undo the effects of Polyjuice Potion?