The Erumpent is a magical creature from the Harry Potter universe, specifically featured in the Fantastic Beasts series. It resembles a large, rhinoceros-like beast with a tough, gray skin and a single horn on its head. The Erumpent is known for its explosive temperament and is capable of causing significant destruction when provoked. This creature's horn contains a powerful substance that can cause an explosion upon contact with a target. Due to its dangerous nature, the Erumpent is often sought after for its horn, which is used in potion-making. However, handling an Erumpent requires great caution due to its unpredictable behavior.