- Percival Shacklehorn: "Alright, I admit it! I had a plan to capture a Graphorn… Purely for study, you know."
- Mathilda Grimblehawk: "Oh, nothing at all to do with their valuable horns? Well, you can expect a severe fine from the Ministry!"
- — Mathilda Grimblehawk and her partner corner Percival Shacklehorn.[src]
The golden horn of a Graphorn was highly prized as a potion ingredient when it was ground into a powder. It was extremely expensive due to the difficulty of obtaining it from the fierce and aggressive animal.
- Harry Potter and the Prisoner of Azkaban (video game) (First appearance)
- Fantastic Beasts and Where to Find Them (First mentioned)
- Fantastic Beasts and Where to Find Them (film)
- Fantastic Beasts: Cases from the Wizarding World (Mentioned only)