Zygarde 50% Forme
This is Zygarde’s form when it has gathered 50% of its cells. It wipes out all those who oppose it, showing not a shred of mercy. It’s thought to be monitoring the ecosystem. There are rumors that even greater power lies hidden within it.

Zygarde 10% Forme
Its sharp fangs make short work of finishing off its enemies, but it’s unable to maintain this body indefinitely. After a period of time, it falls apart. This is Zygarde’s form when about 10% of its cells have been gathered. It runs across the land at speeds greater than 60 mph.

Zygarde Complete Forme
This is Zygarde’s form at times when it uses its overwhelming power to suppress those who endanger the ecosystem. This is Zygarde’s 100% form. It has enough power to overwhelm even Xerneas or Yveltal.
Type: Dragon/Ground
Category: Order
Ability: Aura Break, where the effects of Aura Abilities are reversed. (50% Forme, 10% Forme)
Ability: Power Construct, where other Cells gather to aid when its HP becomes half or less. Then the Pokémon changes its form to Complete Forme. (50% Forme, 10% Forme, Complete Forme)
Hidden Ability: None
Weaknesses: Ice, Fairy and Dragon
Resistances: Fire, Rock and Poison
Immunity: Electric
Evolutions: Zygarde does not evolve into or from any other Pokémon, but it has three different Formes – 10% Forme, 50% Forme and Complete Forme. Zygarde is part of the aura trio with Xerneas and Yveltal.
Height: 16′ 05″ Weight: 672.4 lbs (50% Forme)
Height: 3′ 11″ Weight: 73.9 lbs (10% Forme)
Height: 14′ 09″ Weight: 1344.8 lbs (Complete Forme)