you can use it in any cave to get out of the cave
use their Pokemon
ground type Pokemon can
you have to get a Pokemon that knows dig with you and then use dig in front of the first braille
use dig
use the Hm Dig
AnswerYou read the brail and then go left twice and down twicw then use dig.
sand slash trapinch and haryama
Go to dig maniac's house where it's near the Fallabor town. Talk to who looks like kid. and you will get move "Dig"... Teach it to any pokemon that can learn it. So using it. Just go to your Pokemon list. Select the pokemon learns dig then pick options. "DIG!" Dig can be use while being in the cave. It will work likes "Escape rope".
You can only get an "onix" in Pokemon sapphire if you have a Pokemon version that has an onix then use a linking cable with other GBA to trade it and then you'll have an onix but "onix's" data can't be stored in your pokedex.NOTE:You can only trade with a Pokemon version that have the same region as your Sapphire has;HOENN REGION.
Use an action replay and get the pokemon modifier cheat, then you can dictate the pokemon that show up in the grass and there level!
they are planning to use kyogre and take over the sinnoh region
select a Pokemon who knows dig.