Go to Crossbone Island
Here's a new trick for the RPG Golden Sun: Dark Dawn on DS. The latter makes available Crossbone Island is a new dungeon to explore. For this, we must beat the final boss and save the game after the closing credits. After loading the game, you have to go to Tonfoni and take off toward the south to a peninsula. If the final boss has been defeated, there should be a whirlwind in which to proceed. It must then continue east to arrive at Crossbone Island is accessible via a cave. This site contains in fact the most difficult boss of the game, then good luck!
Unlock the door Burning Island
As a first step, get the Sol Blade from the Sanctuary of Apollo. Then, from the city Tonfon, navigate to the cave Burning Island (a volcanic island). Once at the bottom of the cave, open the door using the Sol Blade that is in your inventory.
Unlocking the Maze Island OTKA
Get the soil Blade the Sanctuary of Apollo. Navigate to the west from Tonfoni to see a small island surrounded by rocks. Wait until you see a swirl and go for it. You arrive on the island. Go to a door and use the Sol Blade to penetrate into this hidden place.
