The presence of the evil nun is a central element of the game. Even in the mod version where she does not attack, her omnipresence is felt throughout, adding to the psychological horror aspect of the game.
From mixing chemicals to manipulating electricity and finding the master keys, the puzzle design in 1.7.3 balances logic with the constant tension of being hunted. The "Nun Does Not Attack You" Mod Explained The presence of the evil nun is a