Battle Frontier (Generation IV)

The Battle Frontier (Japanese: バトルフロンティア Battle Frontier) is a special post-Pokémon League area featured in the Generation IV games,,. It is similar to the Battle Frontier featured in, the Hoenn. The key difference is the number of facilities and the challenges they hold.

This Frontier is found in two regions, Sinnoh and Johto; each region's Frontier is identical in facilities and appearance. The Sinnoh Frontier is located north of the Fight Area in the place of 's. The Johto Frontier is located west of Olivine City, where 's was located. Access to Johto's Frontier is through the Frontier Access. Each of the facilities in the Battle Frontier has a leader, the Frontier Brain, who may be challenged after certain have been made through their respective facilities. Defeating the Frontier Brains will earn the player commemorative prints.

Only two of the facilities had been featured in Pokémon games prior to the Battle Frontier's debut in Platinum. The Battle Tower and Battle Factory were both present in Emerald; the Battle Tower has been in every game since its debut in Crystal, excluding FireRed and LeafGreen, which featured a similar facility called Trainer Tower.

Overview
Upon the player's first entry into the Battle Frontier, their Vs. Recorder will be upgraded with a by a woman at the entrance. The Vs. Recorder keeps the amount of Battle Points the players has. It also contains the commemorative prints obtained from the Battle Frontier. One from within one of the facilities may be recorded and stored on the Frontier Record, which may be watched or overwritten with another at any time.

On winning through a set amount of battles in any given facility, Battle Points, or BP, will be awarded, usually in small amounts, but gradually growing through each consecutive streak. Defeating the Frontier Brain of a given facility for the first time awards the silver commemorative print of that facility, while the second defeat of the same Brain gives the commemorative print a golden color. They are the equivalent of a Badge, and equivalent to the Symbols from Hoenn's. The Frontier Brain will only appear in single battle mode. Also, defeating a Brain will always yield a 20BP reward. Battles conducted here do not award experience or money. Also, Pokémon seen in the battles will not be added to the Pokédex.

There are usually three forms of challenges. The first of these challenges is the standard single battle in which the challenger must engage in seven three on three battles in a row. Winning a set of seven battles earns the player Battle Points. The second of these challenges follows the same layout as the standard single battle but are rather conducted as Double Battles. Each facility also offers Multi Battles that two players can participate in, using the Nintendo DS's Wireless Connection, to increase their record. The Battle Frontier also allows players from around the world connect together using to take part in multi Battles in any of the Battle Frontier facilities. This can be done by going to the Wi-Fi Club on the basement floor of any Pokémon Center, and selecting the Battle Frontier function. However, both players must have entered the Hall of Fame and visited the Battle Frontier at least once.

Regardless of what challenge is taken, the following Pokémon are not allowed:

In addition, the following held items are not allowed:

Trainers

 * See also:
 * List of Battle Frontier Trainers (Generation IV)
 * Battle Frontier (Generation IV)/Pokémon (Group 1)
 * Battle Frontier (Generation IV)/Pokémon (Group 2)
 * Battle Frontier (Generation IV)/Pokémon (Group 3, 001-251)
 * Battle Frontier (Generation IV)/Pokémon (Group 3, 252-493)
 * Battle Frontier (Generation IV)/Pokémon (Group 4)

Entrance hall
The entrance hall is the entrance to the Battle Frontier from the Fight Area or Frontier Access. Because the Sinnoh Battle Frontier does not have a Pokémon Center, unlike, it cannot be accessed by. Upon the first entry into the Battle Frontier, the Vs. Recorder will be upgraded with a by the women at the entrance. There are several women who will guide and explain venues of the Battle Frontier.


 * The top left woman will explain the Battle Castle
 * The top right woman will explain the Battle Arcade
 * The middle left woman will explain the Battle Factory
 * The middle right woman will explain the Battle Hall
 * The bottom left woman will explain about the Battle Frontier itself.
 * The bottom right woman will explain the Battle Tower

Stats judge
In the Battle Tower's lobby next to the PC is a man who considers himself a judge of Trainer's Pokémon. He can appraise one of the player's Pokémon by looking at its stats, specifically by checking how high the s are. First he describes the Pokémon's "potential", which is based on the sum of all six IVs. Then he indicates which stat has the highest IV and what range it falls in. If two or more IVs are tied for the highest then he will choose only one of them to comment on. In Sinnoh, he selects which highest stat he'll report randomly. In Johto, he cycles through the stats in the following order:, , , , ,. If a different Pokémon is shown, then the cycle will not reset.

Exchange Service Corner
The Exchange Service Corner is located at the center of the Battle Frontier. The player can buy various goods with Battle Points won from the facilities. The Battle Frontier's prizes are the same as 's 's prizes. They also use Battle Points which are won in the Frontier's various facilities. They can be bought at the stalls at the center of the Frontier.

While the menu structure differs, the items available in Pokémon Platinum are the same as the items available in Pokémon HeartGold and SoulSilver, except that is only available in Pokémon HeartGold and SoulSilver.

HeartGold and SoulSilver

 * Left counter


 * Right counter

Pokémon Scratch-Off Corner
The Pokémon Scratch-Off Corner is located just north of the Exchange Service Corner. Pokémon Scratch-Off is a game that can be played for 1BP. This 1BP purchases three different Scratch-Off Cards, which permits winning up to 3 items. Upon purchase, a selection of 3 cards from four cards: red, blue, green, and yellow. Once done, scratching mode will begin. Using the stylus to scratch off the upper layer, scratching off three Pokémon gets the particular item that matches the Pokémon revealed. As soon as any part of any of the 9 blocks is touched, that block must be selected as one of the three choices. The whole card cannot be scratched off—only three blocks may be selected. If the player gets a Ditto, it acts as a wild-card, transforming into any other Pokémon should the player manage to get two of them. There are a total of three out of twenty-three different Berries to be won, and there will always be a to be won.

In the Pokémon Adventures manga
In the, challenged the Battle Frontier while she and Looker conducted research on  and the Distortion World, where Platinum's supposed-to-be bodyguards, Paka and Uji, had been sent to by Saturn in. By the end of the chapter, she had managed to defeat four of the five facilities, and was also intending to soon challenge the fifth one, the Battle Tower, led by 's father, Palmer.

In All About Arceus IX, it was revealed that the Sinnoh Battle Frontier was originally located in Johto.

Trivia

 * The Battle Frontier logo is the color code of the venues corresponding to the five battle venues and their position in the Battle Frontier.
 * The color code of each of the venues corresponds approximately to the color codes of each of the five flavors of Berry and to the types of Pokémon Contests and Super Contests.
 * If the Poké Ball design in the middle is counted, as well, the logo contains the seven colors of Apricorn.
 * Due to the pairing of and Caitlin, there is an equal number of male and female Frontier Brains. This is the case with Sinnoh's Gym Leaders as well.
 * Several of the Frontier Brains have Pokémon with moves they normally learn at a higher level. This may mean that their Pokémon also decrease in level when they are above level 50.
 * All Frontier Brains with a fixed team have at least one legendary Pokémon in their party when they are battled for the gold commemorative print.
 * Although Pokémon under level 30 are banned from use by the player at the Battle Hall, opponent Trainers can use Pokémon under this level.
 * This Battle Frontier is the first one of its kind to appear in two separate locations in one generation.
 * Also, it is the first one to appear in the mainland of one region, in this case, the Johto region.
 * 's forms,, and the Spiky-eared Pichu are the only non- or Mythical Pokémon that aren't allowed in the Frontier.
 * The Battle Factory is the only facility to not have a PC, due to the fact that players rent Pokémon instead of using their own.
 * The Battle Arcade is the only location in a Generation IV game to have moving animation while the player is saving, as the screens that show the player and their opponent's Pokémon flash, despite everything else pausing during the save.
 * In the Battle Castle, there are crosses above the foe's entrance which change depending on the round the player is on. For example, if the player is on round 1, then there is 1 cross.
 * In, the player cannot keep his or her Pokémon outside of its Poké Ball in the Battle Frontier, despite being an open place. This is likely due to the fact that once the player steps into the opening of a facility, they are automatically drawn deeper inside, and would cause problems with the walking Pokémon.
 * In HeartGold and SoulSilver, the Pokégear will not play any radio channels whatsoever when the player is in any facilities. It is unknown why this happens.
 * In HeartGold and SoulSilver, the stat Trainers all appear in the Battle Tower without any reason, as the player character has never met them before in these games. This is possibly done to ensure full compatibility with.
 * Trainers that received different overworld sprites in HeartGold and SoulSilver still use their Platinum sprites here.
 * Additionally, s use their Platinum battle sprite and a overworld sprite.
 * In HeartGold and SoulSilver, a boy in the Battle Tower mentions that "...similar facilities are available outside of Johto", probably referring to Sinnoh's Battle Frontier.
 * Aside from the stat-enhancing vitamins, which each have a price of only 1 BP, all prizes buyable with Battle Points have a price that is divisible by 8.
 * The Battle Frontier is featured in one of the paintings on display in Lumiose Museum in Pokémon X and Y.
 * There are some Pokémon in the Battle Hall that know moves they cannot legitimately learn: a with, a  with , and an  with.

In other languages
Kampfzone (4. Generation) Frente Batalla (cuarta generación) Zone de Combat (Génération IV) Parco Lotta (quarta generazione) バトルフロンティア (第四世代) 对战开拓区（第四世代）