Arion:
Dustox
Heracross
Vespiquen
Beatifly
Drapion
Bertha:
Quagsire
Hippowdon
Suddowoodo
Golem
Whiscash
Flint:
Rapidash
Ifernape
Loppuny
Steelix
Drifblim
Lucian:
Mr.Mime
Medicham
Alakazam
Bronzong
Girafarig
Champion Cynthia:
Spiritomb
Gastradon
Milotic
Garchomp
Lucario
Roserade
beat the elite 4.
elite 4
with your pokemons
there is no battle frontier in Pokemon pearl,but there is a battle tower. you can go there after you beat the elite 4
the same place as dimond and pearl
The 3rd guy in the elite 4 has the infernape
No but you can catch many of the Pokemon in Sinnoh after you beat the Elite 4
uh level up ur pokemon!
beat the elite 4 then champion Cynthia
you have to beat the elite 4 first
its in the island after u beat the elite 4
I just tried to fill the pokedex