The Yggdrasil Trio is a trio of Legendary Pokémon that originates in the Kalos region and comprises Zygarde, Xerneas, Yveltal. Yggdrasil is a huge tree in Norse cosmology. It is said to be protected by three guardians. A bird protects The upper part of tree. A Deer protects the soil of tree. A snake protects the underground of tree. Same is true for Xerneas, Yveltal and Zygarde.
|Xerneas is fairy type member of trio and is said to be the giver of life and it protects the soil of tree. It has calm nature and has ability to stop destruction.
Its signature more is Geomancy.
|/||Yveltal is Dark/Flying type member of trio. Yveltal is the angry Pokémon and sign of destruction. It protects the upper part of tree.
Its signature move is Oblivion Wing.
|/||Zygarde seems to be leader of trio and is Dragon/Ground type. Zygarde protects the environment and the underground of tree.
Its signature move is Land's Wrath