The game does open after beating the Elite Four. You simply select Continue, and you will be back at your house after you have beaten the Elite Four and Champion. :3
that cave will open after beating the elite four near route 111
To open the Elite Four, you have to get all the Gym badges.
In ruby and sapphire, the pillar is automatically unlocked after beating the elite four. In Emerald, it is unlocked after seeing Groudon and Kyogre fighting in Sootopolis City.
You have to transfer it to pal park from a GBA game. pal park is open after you beat the elite four
By beating the elite 4 and Steven (the champion of the horn league) for the second time, the tomb will be open when you next visit it.
1) battle frontier (only open after you defeated the elite four) 2) safari zone (there is a part in the east (right side) that was blocked. It is open after defeating elite four 3) catching legendary (groudon, kygore and rayquaza)
You must beat the elite four and then it will open up.
beat the elite four
You need to beat the Elite Four.
Once you have beaten the Elite Four, in MT Ember, to your right, you will see two grunts in front of an open door. Beat both of them to make go away. When you get inside ,go througth the cave.
You must beat the elite four and the champion then go there and it will be open
You have to defeat the elite four and after that it should be open