Eevee's Eighth Evolution, Sylveon, Is the Newest Pokémon Announced for “Pokémon X” and “Pokémon Y”!, Game News

Pokémon X and Pokémon Y are planned to release simultaneously worldwide this October.

Xerneas Coming To Pokemon GO May 4th 2021 – NintendoSoup

Pokémon X/Y and OmegaRuby/AlphaSapphire (Gen6) (3DS) - Page 4 - General Discussion - OC ReMix Community

Pokemon GO reveals Luminous Legends Y event, debut of Yveltal

Review: Pokemon X and Y – Battling On in 3D

Pokemon X Archives - Fuzzy Today

Pokémon X and Y games

Pokémon X & Pokémon Y

Even More New Pokémon Revealed From Pokémon X and Y - Nintendojo Nintendojo

How to get Eevee in Pokemon Y - Quora

Pokemon X and Y add Sylveon, an evolution of Eevee - Polygon

Does Eevee have an evolution for every Pokemon type? - Quora