The inner fur surrounding its heads is fuchsia in color, and resembles collars. Its body is primarily dark blue, with black fur covering its necks and shoulders. Hydreigon is a three-headed, draconic Pokémon with six thin, black wings that each end in two points on its back.
It appears to be distantly related to the Paradox Pokémon Iron Jugulis.
It evolves from Zweilous starting at level 64.
Hydreigon ( Japanese: サザンドラ Sazandora) is a dual-type Dark/ Dragon pseudo-legendary Pokémon introduced in Generation V.