Erumpent Potion is a potion presumable made from Erumpent parts known to be used in potion-making, such as the horn, tail, or the Exploding Fluid. It is highly explosive when it is touched by an outside source.

Behind the scenes

  • n Hogwarts Mystery, if Penny Haywood is chosen to accompany Jacob's sibling into the Cursed Vault on the fifth floor, she uses Erumpent Potion to attack the Ice knight.