Greetings Adventurers, We would like to inform you of the following issue. We have confirmed that the Silver Amplification Grimoire and Super Amplification Grimoire items obtained from the January (DEC 31, 2024 - FEB 4, 2025) Mystical Arcane Box are currently unable to be used. Accounts in possession of these items up till the FEB 11 maintenance will receive new ones during the maintenance. We sincerely apologize for the inconvenience and thank you for your understanding. [b]- Dungeon Fighter Online Support Team[/b]