Roserade
Porygon-Z
300
ninjask
Delibird.
vileplume
the pokemon's name is Regirock
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regigigas, i think
u need to catch all of the Pokemon in the browser i would check www.serebii.com they have all the oblivia Pokemon
you can find hoppip in the lyra forest by venasaur
the Pokemon that is after Registeel in the ranger browser is Regigigas ( you can only get him after you capture all 266 other Pokemon )