Well, in order to dive you have to have an HM that is Dive, teach it to your Pokemon, and then you have to win the Pokemon league to go to Undella town. Once your at Undella town, surf on the water and you see these really dark waters. Click on it ( or press A) and you will go in this secret pyramid and go inside and you have to treasure hunt. They have time on you, so hunt quickly!!
get a hm called dive attach it to a water type pokemon and go on water and use dive.
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.
Once you get the HM dive and make it to mossdeep city you can surf southwest somewhere you will find white rocks you can dive down and you will find a secret cave underwater if you resurface in the cave you will appear in sootopolis city.
There is no HM for Dive in SoulSilver, but you can get it by transferring a Pokemon who knows dive into SoulSilver the Pal Park. but you can get dive as a HM in Pokemon black and white but not in soulsilver,heartgold,platinum,diamond,and pearl
Dive is absent in Pokemon pearl,diamond,platinum,heartgold,and soulsilver . But will return in Black/White =-)
dive underwater
Undella Town, and you use dive in four dark water spots to get to the abyssal ruins.
Relicanth can be found in the grass underwater..u need dive for this.
The is a huge white rock, with dive spots round it, dive there, and you find an underwater cave. Go in and surface again and You find Sootopolis
No, you cannot use Dive in Pokemon Pearl to go underwater.
No, there are no underwater routes in Pokemon HeartGold or SoulSilver. The HM Dive is not available in Pokemon HeartGold or SoulSilver.
I don't think there is a sub, but you can get the tm dive to go underwater.
get a hm called dive attach it to a water type pokemon and go on water and use dive.
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.
Bring a Pokemon with Dive to where there is dark water and hit A, then choose Yes.
When you Surf, you will see dark spots in the sea. You can then use Dive, and go underwater.
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.