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Type Dark  Type Dragon
Species Brutal Pokémon
Abilities Levitate
Zweilous ← 635 → Larvesta
Kanto N/A Johto N/A
Hoenn N/A Sinnoh N/A
Unova N/A Mountain Kalos 144
Evolves from Zweilous
Evolves into None
(サザンドラ Sazandora)
Generation V
Evolutionary line
50% ♂ / 50 % ♀
Weight Height
352.7 lbs 160.0kg 5'11" 1.8m
Pokédex color Egg group
Black Dragon
Shape Footprint

Hydreigon (Japanese: サザンドラ Sazandora) is a Dark/Dragon-type Pseudo-Legendary Pokémon. It now has a head on each of its arms, creating a Hydra-like evolution stage. It also has three pairs of wings.



Hydreigon is mainly blue with black fur covering its arms and neck. The black fur that covered up its eyes as a Deino and Zweilous has now opened, creating a frill-like appearance and is now magenta in color. Instead of having one wing on each side, it now has three wings on each side of its body. On the end of each arm is a smaller blue head. After Zweilous evolved, its tail has gotten longer and has magenta scales on the underside as well as a black tip on the end. Its belly has two rows of magenta scales just like it had when it was a Zweilous.


Hydreigon is the final form of Deino, and evolves from Zweilous at level 64.

Game Info

Game Locations

Version(s) Area(s) Rarity
Black/White Evolve Zweilous None
Black 2/White 2 Evolve Zweilous None
X/Y Victory Road Rare

Pokédex Entries

Pokédex Entries
A brutal Pokémon that flies continuously through the sky on its six wings, marking everything that moves as an enemy and attacking.
The heads on its arms lack brains. It destroys and devours everything with its three heads.
Black 2
It responds to movement by attacking. This scary, three-headed Pokémon devours everything in its path!
White 2
It responds to movement by attacking. This scary, three-headed Pokémon devours everything in its path!
Their heads on their arms do not have brains. They use all three heads to consume and destroy everything.
It responds to movement by attacking. This scary, three-headed Pokémon devours everything in its path!
Omega Ruby
Alpha Sapphire


Leveling Generation V
Level Move Power Acc. PP Type Cat.
1 Tri Attack 80 100% 10 Normal Special
1 Dragon Rage 100% 10 Dragon Special
4 Focus Energy –% 30 Normal Status
9 Bite 60 100% 25 Dark Physical
12 Headbutt 70 100% 15 Normal Physical
17 Dragonbreath 60 100% 20 Dragon Special
20 Roar 100% 20 Normal Status
25 Crunch 80 100% 15 Dark Physical
28 Slam 80 75% 20 Normal Physical
32 Dragon Pulse 90 100% 10 Dragon Special
38 Work Up –% 30 Normal Status
42 Dragon Rush 100 75% 10 Dragon Physical
48 Body Slam 85 100% 15 Normal Physical
55 Scary Face 100% 10 Normal Status
68 Hyper Voice 90 100% 10 Normal Special
79 Outrage 120 100% 10 Dragon Physical
Bold indicates this Pokémon receives STAB from this move.
Italic indicates an evolved or alternate form of this Pokémon receives STAB from this move.


Black White Black 2 White 2 Back
Hydreigon BW
Shiny Hydreigon BW
X Y Omega Ruby Alpha Sapphire Back
Hydreigon XY


  • Hydreigon evolves at a later level than any other Pokémon, Level 64.
  • Hydreigon's name came from "Hydra", a Greek mythological dragon with many heads, "Drei", the German word for the number 3, and "Dragon."
  • Although Hydreigon's speed stat is lower than its other stats, at level 65 it can already outspeed almost every Pokémon native to the Unova region.
  • Hydreigon cannot be found in the wild.
  • Hydreigon resembles Toho's King Ghidorah.
  • Hydreigon seems to resemble Salamence because both of their two pre-evolutions have weaknesses until their pre-evolutions evolve into them.
    • Hydreigon's pre-evolutions are blind and unable to fly until Zweilous evolves into Hydreigon.
    • Salamence's pre-evolutions are unable to fly until Shelgon evolves into Salamence.
  • Hydreigon appears to be a parallel to Dragonite as it is a Dragon Pseudo-Legendary.
  • The frills around Hydreigon's heads were covering its eyes in its previous forms.
  • Ghetsis' Hydreigon is under-leveled, being at level 54 despite Zweilous not evolving until Level 64. Due to this fact, as well as it knowing vast coverage moves such as Surf, Fire Blast, and Dragon Pulse, Ghetsis' Hydreigon has become infamous, being referred to as the hardest single Pokémon to beat in the entire game.
  • Hydreigon is one of the hardest to obtain due to the high level it evolves at, beating even Dragonite and Tyranitar and because Deino, its first form, can only be obtained in Victory Road and does not appear very often.
  • However it has become relatively easier to obtain since Pokémon Black 2 and White 2 now feature Zweilous in Victory Road though it also does not appear very often.
  • The Pokédex says that the heads on Hydreigon's arms lack brains, but it still uses them to eat and destroy things like hands since they're probably connected to the main head's brain and may possess "pseudo-brains" similar to the tentacles of an octopus.
  • Hydreigon's name may also come from the word "dragonfly" because its wings resemble those of a dragonfly.
  • Hydreigon also somewhat resembles Giratina in origin form, given that both Pokémon have six tentacle-like wings.
  • Hydreigon is the only Pokémon to have heads for hands, though Scizor's Pokedex entry in Gold and HeartGold say its pincers resemble heads.
  • Hydreigon's name sounds like the element hydrogen.
  • Hydreigon can learn at least one move of each type except Grass-type moves.
  • The patterns on Hydreigon's sides bear resemblance to tank treads.
  • It shares species with Sharpedo both known as the brutal Pokémon.



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