[Event] Hexahedron Piece

- Description: A piece of a hexahedron containing various powers. It bears a unique appearance akin to the many kinds of materials contained within. - Use this item to process an [Event] Unknown Hexahedron or other hexahedron items. You can obtain this item by defeating monsters, Gathering, and Fishing during the event period.

- Additional use requirements are not yet decoded; this is not a complete eligibility check.