For the best results, get your team to level 60. Between 55-60 would be sufficient, but 60 makes it a breeze. I found the most effective team to be:
Empoleon-Surf, Ice Beam, Flash Cannon
Staraptor-Fly, Aerial Ace, Close Combat
Roserade-Magical Leaf, Sludge Bomb, Shadow Ball, Energy Ball
Garchomp-Crunch, Dragon Claw, Earthquake
Electivire-Thunderpunch, Firepunch
Exeption:The only exception to this list is spiritomb. If you don't have a giratina, or use it for mostly exploring (ex: strength,fly,rock climb,cut,defog).
These guys give you type coverage and take advantage of their best attributes. Roserade's high Sp. Att. really makes a difference when you need to take out a ghost/psychic (especially Dusknoir) with Shadow Ball.
Empoleon is an all-star, being very effective against a lot of the Pokemon used by the elite four and also highly resistent due to its type. You may even want to raise it another few levels, because I found Cynthia's Garchomp's Earthquake tough when I was trying to get Ice Beam in. A few levels into the 60's would be a bonus. He's easy to train in Victory Road right near the exit to the Pokemon League so it's worth it.
Electivire saved me from needing a fire type because Firepunch combined with its respectable Attack pretty much destroys Aaron's bugs and helps against others (such as Cynthia's Roserade).
I also brought Rapidash because I had been raising it prior to teaching Electivire Firepunch and its a decent backup incase you run out of PP. But you shouldn't need anything other than those 5.
Also try a giratina for its high HP and use a PP up on shadow force to make its last longer. Use shadow force on Cynthia's spiritomb because dragon is super effective against psychic.
No. You need to beat the Pokemon League IN the Platinum one.
you beat the elite four
Giratina, and the 3 lake pokemon.
Answer this question to do it!When_the_moon_flashes_red_in_the_slots_game_should_you_stop_lining_up_replays_for_the_rest_of_the_round_or_just_that_spin
you can do about anything after you just cant beat the gym leaders again.
No. You need to beat the Pokemon League IN the Platinum one.
beat elite 4
yes
you beat the elite four
The first thing you have to be sure of is that you have beaten the Elite Four. Do that first!
No.
Yes you do.
in the desert after you beat elite 4
Giratina, and the 3 lake pokemon.
Answer this question to do it!When_the_moon_flashes_red_in_the_slots_game_should_you_stop_lining_up_replays_for_the_rest_of_the_round_or_just_that_spin
you have to beat the elite four plus the champion
you can do about anything after you just cant beat the gym leaders again.