Unicorn Horn is an ingredient used in potion-making. They have magical powers and are rare and potent when used in potions.
Unicorn Horns are used to brew the following potions:
- In Harry Potter and the Philosopher's Stone, Harry Potter noted that unicorn horns are 21 Galleons each at the Apothecary. This does not correspond to the price on Pottermore, where students get a total of 55 horns for 21 Galleons.
- The Unicorn Horn is the item most commonly sent as a gift in Pottermore.