Hello, Hero Candidates

Thank you for playing the Devil Book.


You can expand your bag maximum of 400 spaces.

Please refer to the table below to check the expansion cost.


Before 
AfterCost(Diamond)
15017530
17520060
20022590
225250120
250275150
275300200
300325250
325350300
350375350
375400400


To open the all Bag space, you need a total of 1950 Diamonds.


For additional inquiries, please email at devilbook@ngelgames.freshdesk.com