To prepare for a great battle to come, Sora and Riku decide to take the Mark of Mastery exam and become full-fledged Keyblade Masters. But not long after their test begins in the Sleeping Worlds, strange things begin happening...
- ISBN10 1975358619
- ISBN13 9781975358617
- Publish Date 29 October 2019
- Publish Status Out of Print
- Out of Print 3 October 2023
- Publish Country US
- Publisher Little, Brown & Company
- Imprint Yen Press
- Format Paperback (US Trade)
- Pages 308
- Language English