At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
In 1984, Rowan Khanna found a jar of blood in the Potions Classroom while searching for salamander blood to use in a Wiggenweld Potion he was making in a Potions class during his first year at Hogwarts School of Witchcraft and Wizardry. Khanna was uncertain if the blood he had found was iguana or salamander blood, and so asked his classmate to use the Wand-Lighting Charm so that he could read the bottle.
- Harry Potter: Hogwarts Mystery (First mentioned)