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This makes the identification of weapons easier.

— Description, Sonic and the Black Knight[1]

The Tome of Arms (武器辞典 Buki jiten?, lit. "Weapon Dictionary") is a collectible item that appears in Sonic and the Black Knight.


The Tome of Arms is a blue book with a sword inscribed on the front.


In gameplay, the player can collect the Tome of Arms during different Missions in certain areas. For then to obtain it, the player must use the ID points earned from completing the Mission where the Tome of Arms was picked up to identify it on the identification screen. When equipped to a playable character, the Tome of Arms will reduce the ID point cost for any weapons the player may have collected over the course of a Mission.


  • No: 64
  • ID Point Price: 8
  • Rarity Level: ★★★★★☆☆☆☆☆
  • Item Type: Book
  • LocationCamelot Castle (obtained from Treasure Chest in "Special Challenge: Reach the Blacksmith")


  1. Official in-game description of Tome of Arms in the Treasury, item 064/247.

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