From Bulbapedia, the community-driven Pokémon encyclopedia.
The team Red
used in his Full Battle against Blue
A Full Battle (Japanese: フルバトル Full Battle), also known as a six-on-six battle, is a Pokémon battle in which both Trainers use a full party of six Pokémon. The first Trainer to completely knock out all of the opposing Trainer's Pokémon wins the battle.
These battles are rare, both in the anime and the games. Typically, Trainers will use fewer than the full six, usually one to three.
In the anime
Most Trainers declare a specific number of Pokémon to be used in a battle. This number is very rarely the full six. The most notable Trainer to do so is Drake, the Orange Crew Supreme Gym Leader in the Orange League. Battles in the final rounds of each region's League Conference are usually Full Battles as well.
In the main series
In the games
Unlike the anime, the games allow two Trainers to use different numbers of Pokémon. While the player can have six Pokémon in the party at a time, many NPCs faced will not. Generally only rivals and Champions have a full team during the main storyline, while Gym Leaders and members of the Elite Four may also have a full team in rematches. Red also has a full team on the player's first match against him in Generations II and IV. Some Pokémon Breeders maintain a full team, although their Pokémon usually have lower levels than other Trainers' Pokémon in the area. Most main series games have at least one Fisherman with a party of six Magikarp. The non-XP earning battles in battle areas also have full battles. Only on rare occasions do other Trainers have a full team.
- The Diamond & Pearl series is the only series in which a Full Battle took place outside of the Pokémon League, excluding movies.
- The Best Wishes series is the only series which did not feature a proper Full Battle. Only small parts of the battles between Cameron and Virgil and Virgil and Dino were shown. Though all of Ash's battle was shown, it was only a six-on-five battle.
- Ash's battle against Gary in the Silver Conference is his only known Full Battle where he didn't use Pikachu.
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