Restores the Pokémon's HP in harsh sunlight or when it is hit by Fire-type moves. Reduces HP in snow, and increases the damage received from Ice-type moves.

Added with Mikitari dex.

For lizards or any animal that is cold-blooded.

Maybe add weakness to 'chilling water' and resistance to 'scald', 'boiling water', 'steam eruption', 'hydro steam'.