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.
You get the abilty to use the move Dive from Tate and Liza in Mossdeep and then you can teach your Pokemon to Dive! X3 POKEMON-1001
No. Dive is an HM in kanto, so you can't use it out of battle. Some Pokemon can learn dive with no Tms or HMs, but you can't use it as a field move.
In Pokémon Ruby, Sapphire and Emerald, teach a Pokémon the HM move dive and once you're surfing over a dark patch of water, you can use dive to go and stay underwater.
all water Pokemon at least
Use Dive.
in the under water use dive
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.
Dive is not an HM in leafgreen however some Pokemon can learn it on there own, if you want to have a Pokemon with dive have the Pokemon that you want learn dive in ruby or sapphire or emerald then have them trade you it and now you can use dive but not outside of battle because its not an HM.
no sadly it can only be used in ruby, sapphire and emerald
Use Dive with a Pokemon and Go through the water. You will see a hole. Go inside and Use dive to go to a new place.
Use the move dive to go underwater to find shards in the seaweed.
use dive in the dark water then go into a cave. ue dive again and you should be in sootapolis city
You have to go to the cave of origin in Sootopolis city which you have to use dive to go there.
Dive is not an HM available in Leafgreen. If you want to teach a pokemon Dive trade it to any of the Hoenn Region pokemon games (Ruby, Sapphire, Emerald) and use the HM Dive to teach the move and then you can trade it back. NOTE you cannot use Dive outside of battle just like Ruby, Sapphire, Emerald since it's not an HM instead it's a regular move that can be removed either by the Move Deleter or by teaching a different move.
Use dive on route 126 and go to the end of the under water cave therevwill be a cave use dive to go up inside of the cave and you're there
go to dive surface and use a super rod for about 10 times and you got a wailord