Hydreigon is a three-headed, draconic Pokémon with six thin, black wings on its back each of which ends in two points. On its neck is a fuchsia-colored collar which surrounds its head. The main head is dark blue and its eyes are black with fuchsia pupils. Its hands are also black and harbor a head in each one; these heads are similarly blue with black eyes. There are small collars on the inside of its hands. On its abdomen are two overall-like fuchsia stripes. Its feet appear atrophied, having no claws or defined soles and two or three small toes. Its tail also sports a fuchsia stripe with a black tuft on the end of it. Hydreigon is a violent, destructive Pokémon. It will attack anything that moves, determining it a foe. Its heads can consume anything.