on your way to mount silver there is a house that you go in and they give steel wing.
On route 209
in the pokecave you have to find the rare pearl
not much all that happens is cressilia becomes a running Pokemon
In Pokémon Platinum, the 6th Gym Leader, Byron has Steel-type Pokémon. The Steel-type Pokémon that he has during the first match until you beat him are Magneton, Steelix and Bastiodon.
on your way to mount silver there is a house that you go in and they give steel wing.
cheat
fire dah
On route 209
The 6th Gym Leader in Pokemon Platinum is Byron in Canalave City. He specializes in Steel-type Pokemon and has a Steel based Gym that looks like a construction site.
Steel: Steel Wing Flying: HM Fly
in the pokecave you have to find the rare pearl
not much all that happens is cressilia becomes a running Pokemon
its behind the valley windworks in flaorama town u have to surf over to it
You must migrate it or trade with Platinum
beat bryon in the steel gym, canalve city
go to mt. cornet and go a cave