[[pokemon|Pokémon]] #635 in the National PokéDex, a dual type Dark/Dragon Pokémon.
Hydreigon is a three-headed, draconic Pokémon with six thin, black wings that each end in two points on its back. It has a fuchsia-colored collar on its neck which surrounds its head. The main head is dark blue and has black eyes with fuchsia pupils. Its two hands are also black and each one harbors a head; these are similarly blue with black eyes with small fuchsia collars on the inside. Its abdomen has two fuchsia stripes and its feet appear atrophied, having no claws or defined soles and two or three small toes. Its tail also sports a fuchsia stripe and ends with a black tuft.

It evolves from [[Zweilous]] starting at level 64. It is the final form of [[deino_(pokemon)|Deino]].
Japanese Name: [b]Sazandora[/b]

Prior Pokémon: [[Zweilous]]
Next Pokémon: [[Larvesta]]
サザンドラ