its at the place where there is a long dive spot
You have to go to the Underground cavern in route 128. Complete the mission. It may take some time.
Seafloor cavern in route 128
the undersea one on route 128 i think.
You can get in after you beat Archie at the route 128 cavern.
It is just south of the victory road entrance around route 128
The Seafloor Cavern is in route 128, south of Mossdeep City. You need to use dive to access it.
Seafloor Cavern. To get there you need surf and dive, and once in there you will need strength and rock smash. Seafloor Cavern can be found underwater in route 128.
You have to search Underwater on Route 128 to find a secret cavern with a submarine in it, then go to the surface.
Search Underwater on Route 128 to find a secret cavern with a submarine in it, then go to the surface.
A cavern is an underground chamber formed by erosion
The Seafloor Cavern is an area in Pokémon Emerald which is found on Route 128. The Cavern is not accessible unless the player possesses a Pokémon with the HM moves Surf and Dive.
The Adamant Orb can be found underwater in Route 128 on the Sealed Cavern when diving in the middle.