Last area - how am I doing?

[Hguols]

For the earth lair, "ribs" isn't the keyword on that hint - "unearth" is. There are three switches to open 3 gates to get to the heart.

Are you sure you completed the axes puzzle? ^_^
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As for the water area of the Grimoire Grand hall, you really don't understand the correlation of the masks to each other?
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As for the fire area, I'm guessing you're basing there are 6 switches on the hint you found - also according to the same hint, it might mention a clue to perhaps find the other switches.... ^_^
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Wind area - hmm.... think hidden doors.
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You <u>might</u> need one more magic ability level to be eligible to complete the game.