Boosts the Pokémon's most proficient stat in harsh sunlight or if the Pokémon is holding Booster Energy.
Raises the power of Water-type moves.
Raises user's Speed , but they can only use one move.
Prevents a one-hit knockout.
Raises chances of getting a critical hit .
Heals a little HP at the end of each turn.
Restores 30 HP in Generation III . Restores ¼ of maximum HP from Generation IV onwards.