At least some content in this article is derived from information featured in Harry Potter: Wizards Unite. As such, spoilers will be present within the article.
Re'em blood is the blood of a Re'em. It gives the drinker immense strength for a short time, making it a highly desired substance, and useful as a potion ingredient, such as in the Exstimulo Potion. However, due to the rarity of the Re'em, which makes acquiring the blood extremely difficult, and the demand far exceeding the supply, their blood is rarely available for purchase on the open market.Fantastic Beasts and Where to Find Them
In the 2010s, using the information found in an aged tome about Re'em anatomy stored at Ilvermorny School of Witchcraft and Wizardry, a Magizoologist member of the Statute of Secrecy Task Force devised a herbal concoction that replicated the magical properties of Re'em blood.Harry Potter: Wizards Unite (see video)
Behind the scenes
- The creature Re'em is often described as a form of unicorn or giant horse whose blood was rare. References to the beast and its blood are made often in the Bible.