There is no possible way to go underwater in Pokemon diamond. You could only go underwater in Pokemon ruby, sapphire and emerald. There is no possible way to go underwater in Pokemon diamond. You could only go underwater in Pokemon ruby, sapphire and emerald.
You can't go to Johto in Pokemon FireRed or LeafGreen.
Dive is not an HM in Pokemon firered or leafgreen however if you trade a Pokemon that knows dive from ruby or sapphire or emerald now you have a Pokemon that knows dive But you can't dive underwater in firered or leafgreen because it wasn't invented in the kanto region.
You can't get to the johto region in firered.
You have to go and then go and then go to your home in Pokemon then you have to have a Lugia to have a light ball in firered
No, you cannot use Dive in Pokemon Pearl to go underwater.
You go and get trolled THE GAME
Since dive is not a HM in firered you will have to trade a Pokemon to a friend that has ruby, sapphire or emerald then using that game use the HM Dive to teach the move Dive to that Pokemon trade it back so firered can have that Pokemon again it will still have Dive however you cannot use it to dive underwater.
after you beat the fire gym then walk out and your rival will give it to you.
go fishing
no
go to route 127 and 128,then go underwater.