An extremely simple solution would be at the press of a key to remove every single UI elements. Like in previous Baldurs Gate games. Call it immersive mode.
It just reminded me of the bowl of goat's milk that old Winthrop used to put outside his door every evening for the dust demons. He said the dust demons could never resist goat's milk, and that they would always drink themselves into a stupor and then be too tired to enter his room..
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