Giygas is sent by an entity unknown to the Pokémon universe. He plans to travel to Earth and take revenge on the human race. He arrives on Earth and sits in a solitary cave in a meadow. Giygas wakes up and begins to destroy the planet, Mewtwo by far-seeing and seeing that it is a threat that could affect the planet, decides to confront it to save humanity.
- Both characters are at full power
- Fight to death or incapacitation
-The fight takes place in the ocean