Ralts is a small, humanoid Pokémon with a white body that has wide legs and long green bangs that have two red horns. At a certain angle Ralts's red eyes will be revealed.
Ralts is an empathic Pokémon that uses its two horns to sense a persons emotions. Negative emotions drive them away, while light and happy emotions make them a little bit braver. If its trainer or nearby Pokémon feel really happy a Ralts will feel warmer.