I'm not going to tell you the whole thing because you need to find it out on your own, but once you have the key you have to defeat the bad guy.
i have no idea i need to find the answer to this qwestion myself
you pop down the well and find the key
You will find the key to the Gym of Cinnabar Island, From the Pokemon Mansion that is on the same island.
There is no key. Go upstairs to find the painting.
You will find it in the Pokemon mansion on cinnabar island.
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There is no key when you get Hercules he brakes the lock
you find the key
you have to find it inside the Pokemon mansion located on cinnabar island
The dealers scan tool is required.The dealers scan tool is required.
There is no key to the chest, and it never opens. It is a distraction.
You unlock the mine. it is just to the right of where you find da key