As long as Balloon Berry is attached to a Pokémon, that Pokémon's Retreat Cost is 0. When this Pokémon retreats, discard Balloon Berry.
The Pokémon Company International is not responsible for the content of any linked website that is not operated by The Pokémon Company International. Please note that these websites' privacy policies and security practices may differ from The Pokémon Company International's standards.
Your request could not be completed. Please try again. If the problem persists, please contact Customer Support.