I really like the portrait that reminds us who is our current hero.
It's great that you can click the portrait to bring up the status pane.
May I suggest having that portrait accessible from more screens and maybe provide some more info? Maybe account name?
Current save slot could be indicated by tiny Arabic or Roman numerals or graphically e.g. With pips in one, two or three corners.
Number of cards in deck might be handy, too
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