Quotation1 This brilliant gemstone is said to ward off evil spirits. Quotation2
— Description, Sonic and the Black Knight[1]

The Moonstone (ムーンストーン Mūnsutōn?) is a collectible item that appears in Sonic and the Black Knight.


The Moonstone is needed to craft Gastiga.


  • No: 103
  • ID Point Price: 3
  • Rarity level: 3/10
  • Item Type: Gem Stone
  • LocationCrystal Cave


  1. Official in-game description of Moonstone in Treasury, item 103/247.

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