because hes blocking the way out to celestic town
you have to swim around him
Talk to the elder in one of the houses and then battle the Galactic Grunt in front of the cave.
in the cave of hidden treasures
You find a cave, go into it, then find a legendary pokemon, catch that pokemon, and then leave the cave.
Remove it?? I don't think you can.
You can't. You have to go out of the cave and enter in the cave on top of this one by using rock climb.
Go to Celestic Town and battle the Galactic Grunt blocking the cave. After you defeat him, go into the cave. There is an old woman who will give you the HM Surf.
Where is return cave in Pokemon pearl
you need to get a move called surf. You can only give surf to a water Pokemon
You can not move him in any of the games. He will only move after you beat the boss and team galactic leave. Once they leave he will go with them.
in a cave under the bridge by wayward cave on pearl
You can't get to the Altering Cave in Pokémon Pearl because there is no such thing in Pearl.
you have to swim around him
girantina is in that cave at lv 70
Wayward Cave
If you are talking about the grunt in the cave on Mt. Coronet that is blocking cave you have to defeat cyrus,catch/defeat palkia/dialga/giratina, and then head for the cave where the grunt has left with the rest of his team.
Strength isn't found in a cave in Pokemon Pearl. Instead, Riley, a trainer located in Iron Island, gives it to you.