elite 4 or mt silver
The best place I know is victory road
in heart gold cerulean cave in platinum i don't know
The best place to get exp fast is cerulean cave where you find Mewtwo. Hope i helped.
Message Toaster
Mt. Silver,Mt.Silver cave and victory road.
The best place to evolve a Pokemon in Pokemon Heart Gold is at Mt. Silver.
Route 36-37
Train it.
Goldenrod City
Johto Region
depends if its night then dusk balls if its the heart gold one then level and nest balls when you train alot
yes the best Pokemon is the fire type