Be aware, you need Pokémon that know Surf, Dive, and Dig. You also need Relicanth (which can be caught in the Underwater area in front of Sootopolis in the seaweed) in the end of your party and Wailord (which can be caught in the corners of Route 129 with a Super Rod or evolved from a Wailmer) at the front of your party
You cant
In second room in Sealed Chamber, make your party pokemon, Wailord first, and last in Relicanth. Then, read the braille.
I really don't know how you open it. I have ruby, and have all eight badges, but all I found was a description written in dots if you swim southwards.
It's in the sealed chamber which is in route 134.
Well after you unlock the doors to the chamber, via the Sealed Chamber in Route 134. You have to decipher braille and enter the sealed chamber with a wailord in your first position and a relicanth in last position. It is recommended to weaken Regice and then put it to sleep. Then you can use ultra balls, or if the battle takes a while, you can use timer balls. go to gamecc.com and search Pokemon ruby and you will find it
you cant
To get into the Desert Ruins in Pokemon Ruby, Sapphire and Emerald you need to complete a puzzle. This puzzle is found in the Sealed Chamber hidden on Route 134.
go to the sealed chamber and get relichant in front and wailord in last......
In Pokemon Ruby, Sapphire and Emerald you can get the Regis after completing the puzzle in the Sealed Chamber. After completing the puzzle each of the Regi requires its own puzzle to access and catch.
behind the first gym
In the Sealed Chamber, there are multiple braille clues for you to uncover. These clues tell you how to get into the Chambers of Regirock, Registeel, and Regice, respectively.
Use a Pokemon who knows an earthquake.