Flittieon

Flittieon, the Rainbow Pokémon, also known as Rainbow Sylveon, is the Light-type Eeveelution. It evolves from Eevee with the use of a Rain Stone.

Appearance
It looks like Sylveon, but differently colored. It has neon stars around it’s body, witch glows in the dark at night similar to Umbereon.

Evolution
Flittieon evolves from Eevee with the Rain Stone, witch could be found in Cloud Rainforest or bought at Jubliee Bay.