Hard Black Core Shard

[Crafting Material] Core that refined Dark Shard Armor Feedstock and Improved Dark Shard Armor Feedstock appropriately. User for various crafting

[Usage]
Refined Glacial Stone
Refined Frost Stone
Refined Lightning Stone
Manaforce Duranium Equipment Exchange Ticket

[Source]
Processing-Enchanting Materials

[Battle Pass] Gold Reward III