Syrup of Arnica was a poisonous substance extracted from the Arnica plant. It was used in potion-making, and was an ingredient of Potion No. 113.[1]
Appearances[]
- Harry Potter and the Half-Blood Prince (film) (First mentioned)
Notes and references[]
- ↑ 1.0 1.1 1.2 1.3 Harry Potter and the Half-Blood Prince (film) - official merchandise