A gemstone that has been completely eroded by a powerful curse.
Just by looking at it, will make your mind become confused.
Those who interested with black magic curse tends to possess this crystal.

[iRO Description]
A gemstone that has been completely eroded by a powerful curse,
Just by looking at it, you can feel the resentment that makes your mind go crazy. It seems to be coveted by those who show an interest in witchcraft and black magic.
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