first you must have a waillord (the last in your team and a relicanth (the first Pokemon in your team) dive at route 134 move forward under water and you should find some weird writing on a rock the dive up you should be in a cave go to the end and at the end the back wall should have a row of the writing go to the center and use dig dig should of made a tunnle do again and it should rumble and say it looks like thes another opening somewhere else then go to route 120 and then if you look on your pokenava it should say Ancient tomb now i havent got passed that so good luck i hope you will find them BYE
Find the key at a under water cave
A cave that is underwater..? It's a cave that lies underneath a body of water.
you do what you gotta do!
The underwater cave is located in route 128.
AT THE UNDER WATER CAVE A.K.A.TEAM MAGMAS HIDEOUT
its neir a broken ship
jump on the heads
you cant "unlock" it, it is part of the storyline.
you fart
get the HM dive and dive down and you'll find a cave entrance
To unlock Crevice Cave, you have to get through Blizzard Island, which you unlock after talking to Mr. Mime. That's true. There are 20F in Blizzard Island, first 10F in Crevice Cave, and second 4F in Crevice Cave.
find kyoger in his cave under water. try it