Practice, and hope for luck. The Battle Frontier is VERY hard to complete.
when you beat the elite four, prof birch will call you and you will be able to go there with the ferrier
beat 50 trainers
beat the frontier brains
you have to beat all 7 trainers in all 5 buildings
fill your pokedex and battle more trainers
you have to beat cynthia.than,go to the fight area.(top right of map)
No, but you can find Pokemon's from other regions
In Diamond and Pearl, it's called the Battle zone. In platinum, the battle frontier. First beat the Pokemon league. Then, back at home, (you will find out about a boat in snowpoint) go to snowpoint, and ride the ship.
1) complete national pokedex2) beat all master rank Pokemon contests3) beat elite 44) get platinum flag in underground5) get 100 consecutive wins in battle tower, don't know about the others in the battle frontierdon't ever hump girls
You unlock Silver Prints by beating the Frontier Brains in the Battle Frontier in Platinum.
To get stars on Pokemon platinum here is what you have to do... get 50 flags underground win 100 battles in a row at the battle tower beat the Pokemon league 10 times
In Pokemon platinum, like in all Pokemon games you battle your Pokemon against other Pokemon to make them stronger, the object of the game is to beat the eliete 4 who are the best at battling and complete the pokedex.