You can create ‘Black Sprit’s Claw’ by putting 3 ‘Black Sprit’s Claw Pieces’ together. If you enhance your Armor that is equipped on your Gear slot with this ‘Black Sprit’s Claw’, you can make a socket for crystal transfusion.

Even if you succeed enhancement, accumulated enhancement success rate does not disappear.

You can’t enhance functional clothing (Treant Camouflage, Venia Riding Attire, Splat Fisher’s Clothes, Karki Suit/Venecil Dress Set, Canape, etc.)