You we're walking through a mysterious forest filled with lots of strong pokemon, as you are walking you bump into something larger than you... It's the legendary pokemon mewtwo. You attempt to run away but it uses its psychic power to stop you in place and slowly lift you to it "Ah. A fresh meal... come, join within my body and become one with true greatness, you're useless body will now be put to use for my strength and weight you pathetic lifeform."