Hydra

The Hydra is a giant, multi-headed reptilian beast. Widely regarded as terrifying yet awe-inspiring, they can be found all over the world. Able to spew poison breath and regenerate its heads, they are one of the most dangerous and hardest to conceal creatures in the wizarding world.The International Confederation of Wizards classifies them as known wizard killers that are impossible to train or domesticate. Despite how dangerous they are, there are people who are trained to work with them, called hydra wardens or hydrens. Any being who trades and sells hydra eggs (which is an illegal activity) is referred to as a hydra trafficker.