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 , central , Right  – in relation to you). These levers must be moved in the following sequence –      . If you did everything correctly, then a secret passage should open, leading to the dungeon below.
This method is written for those who do not want to spend a lot of time solving the puzzle..