Trade registeel from ruby,sapphire or emerald to firered.
no you can not
Trade it over from Emerald, Sapphire, or Ruby.
You cannot catch Registeel in Pokemon LeafGreen. This is due to FireRed and LeafGreen being able to trade with Ruby and Sapphire. Pokemon Ruby and Sapphire have the three legendary golem Pokemon including Registeel.
Registeel doesn't exist in crystal version.
Only ruby, sapphire and emerald can catch registeel trade one from those games to leafgreen.
Registeel is not catch able in Pokemon LeafGreen. In order to get a Registeel you will need to trade for one from Pokemon Ruby or Sapphire.
You do not need a Wailord to catch a Registeel in Pokemon Emerald. You may need a Wailord or any other water-type Pokemon to surf to the place where you catch Registeel, but other than that, you don't need a Wailord.
no
no you have to migrate all 3 in order to catch reigegigsis
master ball
You can not catch Registeel in these games. You have to catch him and the other regis on Pokemon Emerald, Ruby, or Sapphire and migrate them to Pal park your wrong go to route 228. there you will find it.
You can't catch it on Firered you can only catch it in Emerald