To upgrade cards, you must first complete all quests. The quests buttons will then unlock the option to either upgrade, or fight a Level 6 "Fake God".
For a discussion on card upgrades, see Upgrades Discussion.
To upgrade cards, you must first complete all quests. The quests buttons will then unlock the option to either upgrade, or fight a Level 6 "Fake God".
For a discussion on card upgrades, see Upgrades Discussion.