Nothing really, just some fun and the chance to decorate your own room.
no, you use secret power on it then it makes a base.
Those are places you can make your secret base in how to do that you say use secret power on the indents to make a hole appear now you can create your own secret base.
you need a Pokemon that knows secret power use that move to make your secret base
Use secret power on a large tree (more than 1 space across), and vines should come down, letting you have your Secret Base there.
secret power
on sapphire/emerald this one boy gives you the move secret power. use it to make a secret base!
In the Pokemon games for GBA, you use this move to make a secret base.
Get the TM secret power teach it to a Pokemon then find either a tree with vines, an indent in the wall or a big bush use secret power on these to create your own secret base.
You can't, unless you mean secret base. You have to have a Pokemon with Secret Power. Use Secret Power in front of a tree or an indention in rock.
There are secret base items called solid boards that you can use to cover those pesky holes in secret bases.
secret basesTM 43: SECRET BASEU need the move secret power 2 create a secret base....hope this helps.all right, go to fallabor town and travel right 'till you reach old lady's rest stop. go down to the boy standing by the tree and talk to him. he will give you thetm secret power. teach it to one of your Pokemon and now you can access bushes trees, and cave walls.(you're only allowed 1 secret base. you can move your secret base from place to place) hope I helped-I had trouble too.ORAlso, you can buy it in the Slateport Markets 1 use for 3000 dollars(ingame) [Added by Weavernater]
To get an underground secret base, you have to go down there and buy it from a hiker who is selling Traps.He should have a Digger Drill for sale.Buy the Drill from him, then use in on any random underground wall, and... BING!Your secret base is born.