Customise your decks with 3 exclusive card backs and 10 exclusive alternate card illustrations.
- The ''Krog'' card back: Defeat the Krog King to obtain it.
- The ''CAP-10'' card back: Slay the CAP-10 to get it.
- The ''Roguebook Conqueror'' card back: Complete the Roguebook once to earn it.

More details on the official game page of Roguebook - Alternate Art Pack ...