- Crystal Compression/Hardening
- Gem Compression/Hardening/Solidification
- Jewel Compression/Hardening/Solidification
User can solidify or give solid-like properties to crystalline material with the level of solidity going from loose jelly to metal-like hardness or beyond. Alternatively, the user can also harden crystal to make it denser and harder to break.
- Usually the change is temporary and short-lived.
- May need to stay in physical contact.
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