After completing the Iron Island team battles with Riley, he will give Strength to you.
Heatran is a ledgendary in Pokemon platinum.
you can find the HM on Iron Island. You need to be able to know surf and you won't have to go through the iron island dungeon. Else, go to Neoseeker. They have every code you can dream of, for every game.
There's no Route 505 in Pokemon Platinum.
The routes in Pokemon Platinum begin in the 200s.
There is not a route 233 on Pokemon platinum.
you will need a Pokemon that know hm04 strength which you can get (diamond and pearl in the lost tower) and (platinum in iron island)
You use an HM04 move called Strength. The HM04 strenght is found on Iron Island. Go to canalave city and get on the boat to Iron Island. When you get to the island there is a lady blocking a cave. Talk to her and she will give you the HM04 move Strength.
you need to get a move called surf. You can only give surf to a water Pokemon
lost tower
You'll have to ride a boat from Canalave City to Iron Island. There's a man on Iron Island...Riley, I think his name is...who'll give you HM04.
In the top floor of the lost tower
HM04
HM04 Strength, can be found in Nimbasa City, specifically from a man in the building northwest of the Pokémon Center
in the cave with big boulder
stop cheating you noob
Nimbasa City, Top Left building
HM04-Strength