you have to do 21 battles.
by Matthew long
The arcade is in Veilstone city.
The Game Arcade is in Veilstone City, and the Battle Arcade is in the Battle Frontier.
win 21 battles in row at the battle arcade
beat 50 trainers
You get it in exchange for coins at the game arcade in Veilstone City.
by doing the arcade battles
You fight the Frontier Brains once you have defeated a number of trainers consecutively (or in a row).Battle Tower's Palmer (your rival's Dad) after you have beaten 21 trainers in a row.Battle Factory's Throrton appears after 21 consecutive battles.Battle Arcade's Dahila appears after 21 consecutive battles.Battle Castle's Darach and Caitlyn will appear after 21 consecutive battles.Battle Hall's Argenta will appear after 50 consecutive battles.All the other Frontier Brains except for Argenta will appear again on the 49 consecutive battle.Argenta will appear after a whopping 170 consecutive battles!
21 battles also she has a luddicolo medicham and dusknoir so bring Pokemon that are strong against those types Hirothegood (The poster of this ?) says: Thanks! Glad I just got a new AR I can finally beat her with SELECT again!
Same as in Pokemon Platinum. Battle Tower-Get a 21-Win Streak.(3 of your regular Pokemon) Battle Factory-Get a 21-Win Streak.(3 rental Pokemon) Battle Arcade-Get a 21-Win Streak.(3 of your regular Pokemon by luck of the roulette) Battle Castle-Get a 21-Win Streak.(3 of your regular Pokemon with use of Castle Points) Battle Hall-Get a 50-Win Streak.(1 of your regular Pokemon)
Exchange for it at the Game Arcade in Veilstone City.
Route 211, Game Arcade - 10,000
in the battle frontier next to the battle factory