Get the key for the first door and open the second door. Rather than waste time running up and down to ring the church bell, use the following trick. Stand in center of the two rows of trees. Fire your first weapon from an angle at which the entire bell is visible. One shot that is straight at the bell will ring it. Then, go to the main chamber and complete the level.
Full health - clubmed Display coordinates - where Lose all weapons, except primary - conan