Description: This crystal is actually transparent - but it contains a spell, in the form of swirling shadows, which gives it the name.
Function: If applied to a Mohrior, it allows him or her to keep changing forms even after being named. The spell vanishes after one use, leaving behind a clean shard of crystal.
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A more magical, MS-y description (and probably a better name) will be added once I get to my computer. I wanted to throw this out
