AbilityDownloadCompares an opposing Pokémon's Defense and Sp. Def stats before raising its own Attack or Sp. Atk stat—whichever will be more effective.
Versions
This ancient bug Pokémon was altered by TeamPlasma. They upgraded the cannon on its back.
This Pokémon existed 300 million years ago. TeamPlasma altered it and attached a cannon to its back.