All that glitters -- new achivement?

Anyone know what this is???

You can click a gem stone in the hand of a skeleton before the 3rd boss.

Where / what achievement is this?

Not sure, I can't find it.

Just before the right turn to the 3rd boss. Turn left, jump the bridge and find the sitting skeleton.

Quote:

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Originally Posted by Beggar

Where / what achievement is this?

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It's a Slithering Chaos Achievement.