when you defete the game you have to do some thing
In solar cave
You'll get it after you beat the game.
floor 30 of solar cave
key door 15F solar cave
Keys can be found on the floor in Solar Cave and Western Cave. They are more frequently found in Solar Cave, though.
solar cave and buried relic
solar cave
I believe it is in Solar Cave...
No, it's only in blue & red rescue team.
floor 20 of solar cave
After you beat the game, you yalk to whiscash. He will giv you dive. He then will say "If you lose this, go to solar cave." And........ poof! you hav solar cave!!!!!!!!!
you usually can find keys in the solar cave