Once you get to the church, kill two zombies and then go down to the dungeon. Going down into the dungeon, you will immediately see three levers-statues (left [1], central [2], Right [3] – in relation to you). These levers must be moved in the following sequence – [1] [1] [2] [1] [2] [3]. If you did everything correctly, then a secret passage should open, leading to the dungeon below.
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This method is written for those who do not want to spend a lot of time solving the puzzle..