I feel that Grimiore cards are something that should be able to be accessed in the game. I don't want to have to leave the game to explore more about the game.
This would best be implemented into the Tower. Maybe the Speaker or a new a book-keeper character that can be approached to view the cards.
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There is an app but you probably already know that and yeah they should do that but later now they should try to fix up the raids 100%