Whatever your opinions of the story as a whole, there is little doubt that the scene where the bell starts ringing and a trio of figures in red cloaks walk out of the woods is utterly hair-raising.
Being blind and lost in the woods you believe/know are filled with monsters wanting to kill you, and your only defense is a huge, unweildy log/flimsy wooden stick can not be comforting...
Noah's death at the end of the movie. Impaled with Extreme Prejudice at the bottom of a pit, and since he's autistic, he probably has no idea why this is even happening. And it more than likely took him a long time to die as well.