First u go to a bush or a square in the wall or a large tree an talk to it. Then use secret power. u will now have a secret base.
Secret power is a move that you can use in and outside battle. You can use secret power to create bases in a indent in a wall a big bush or a big tree. You can also use it to attack Pokemon in battle.
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.
In the Pokemon games for GBA, you use this move to make a secret base.
you need a Pokemon that knows secret power use that move to make your secret base
Around hoenn there are trees and bushes and little indents on walls on rocks these are secret bases use secret power on a tree with vines on it or on a big pile of grass or the little indents and you will open a hole when you go inside this is your secret base.
on sapphire/emerald this one boy gives you the move secret power. use it 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 use TM secret power in front of a bush or the indent on the wall to make a secret base.
they are secret bases you need to teach a Pokemon secret power first to use them
you use TM secret power in front of a bush or the indent on the wall to make a secret base.
you teach a Pokemon secret power and you go up to a round tree, a hedge (the round type) or one of those random square holes in caves and use secret power!
Use the move Secret Power on certain trees and climb the vine that falls down. Use the move Secret Power on certain trees and climb the vine that falls down.