Discover the Battle Tower in Pokemon Brilliant Diamond and Shining Pearl. Learn how to access it, the rules, and a full list of items and TMs available for BP exchange.
To access the Battle Tower in Pokémon Brilliant Diamond and Shining Pearl, head south of Snowpoint City and speak to the sailor to take a boat to the Fight Area. From there, travel east and north through Battle Park to find the Battle Tower.
Upon entering the Battle Tower, speak to the woman in the center to register. You can choose between Single battles (three Pokémon) or Double battles (four Pokémon). Any Pokémon over Level 50 will have their level capped at 50. The following Pokémon are banned from entry: Dialga, Giratina, Groudon, Ho-Oh, Jirachi, Kyogre, Lugia, Manaphy, Mew, Mewtwo, Palkia, and Rayquaza.
You will progress through Battle Rooms, each containing seven trainers. Defeating all seven earns you BP. You can switch your Pokémon between battles until you reach the fifth trainer; after that, you must start over. Saving is not permitted during a run, and attempting to do so will disqualify you.
Exchange Service Corner Items
Before reaching the Battle Tower, you'll find a building with separate left and right entrances. This is the Exchange Service Corner where you can spend your BP on various items.
Left Entrance: Stat-Improving Items
| Item | BP Cost |
| Ability Patch | 200 |
| Ability Capsule | 200 |
| Bottle Cap | 25 |
| Rare Candy | 20 |
| PP UP | 10 |
| Protein | 1 |
| Calcium | 1 |
| Iron | 1 |
| Zinc | 1 |
| Carbon | 1 |
| HP Up | 1 |
| Lucky Egg | 77 |
| Power Bracer | 10 |
| Power Belt | 10 |
| Power Lens | 10 |
| Power Band | 10 |
| Power Anklet | 10 |
| Power Weight | 10 |
| Pomeg Berry | 1 |
| Kelpsy Berry | 1 |
| Qualot Berry | 1 |
| Hondew Berry | 1 |
| Grepa Berry | 1 |
| Tamato Berry | 1 |
| Life Orb | 25 |
| Toxic Orb | 16 |
| Flame Orb | 16 |
| White Herb | 15 |
| Mental Herb | 15 |
| Power Herb | 15 |
| Bright Powder | 48 |
| Choice Band | 25 |
| Choice Specs | 25 |
| Choice Scarf | 25 |
| Muscle Band | 48 |
| Focus Band | 48 |
| Focus Sash | 15 |
| Scope Lens | 48 |
| Light Clay | 15 |
| Lucky Punch | 7 |
| Razor Claw | 5 |
| Razor Fang | 5 |
| Protector | 5 |
| Reaper Cloth | 5 |
| Upgrade | 5 |
| Dubious Disc | 5 |
| Lonely Mint | 50 |
| Adamant Mint | 50 |
| Naughty Mint | 50 |
| Brave Mint | 50 |
| Bold Mint | 50 |
| Impish Mint | 50 |
| Lax Mint | 50 |
| Relaxed Mint | 50 |
| Modest Mint | 50 |
| Mild Mint | 50 |
| Rash Mint | 50 |
| Quiet Mint | 50 |
| Calm Mint | 50 |
| Gentle Mint | 50 |
| Careful Mint | 50 |
| Sassy Mint | 50 |
| Timid Mint | 50 |
| Hasty Mint | 50 |
| Jolly Mint | 50 |
| Naive Mint | 50 |
| Serious Mint | 50 |
Right Entrance: TMs
| TM | BP Cost |
| TM04 Calm Mind | 48 |
| TM06 Toxic | 32 |
| TM08 Bulk Up | 48 |
| TM26 Earthquake | 80 |
| TM30 Shadow Ball | 64 |
| TM31 Brick Break | 40 |
| TM36 Sludge Bomb | 80 |
| TM40 Aerial Ace | 40 |
| TM45 Attract | 32 |
| TM53 Energy Ball | 64 |
| TM59 Dragon Pulse | 80 |
| TM61 Will-O-Wisp | 32 |
| TM71 Stone Edge | 80 |
| TM73 Thunder Wave | 32 |
| TM81 X-Scissor | 64 |
| TM93 Cut | 32 |
| TM94 Fly | 40 |
| TM95 Surf | 64 |
| TM96 Strength | 40 |
| TM97 Defog | 32 |
| TM98 Rock Smash | 40 |
| TM99 Waterfall | 64 |
| TM100 Rock Climb | 32 |
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