This is based on opinion. Please don't list it on a work's trope example list.
As this is a Nightmare Fuel page, spoilers will be left unmarked.
MAY GOD HAVE MERCY ON YOUR SOUL!!!
- Although you can see many of the Jump Scares coming a mile away, that doesn't make them any less terrifying.
- Very early on when the two crazed killers first break into the neighbors' house, and then come into Mia's. "I like your dolls..." Made all the worse for being 100% NOT supernatural.
- The basement/storage area scene where a baby carriage appears and hiding behind is a demon. Mia tries to escape into the elevator, but every time the doors open, she's still in the creepy-ass basement. She then bolts for the staircase and is pursued until she reaches the top and looks down, seeing the demon crouching on the stairs like a lion ready to pounce.
- The string of child drawings showing a truck drawing closer and closer to Lea's carriage and eventually crashing into her.
- The scene where Annabelle slowly rises up in the background, as if standing up on her own - and then we see that the demon is holding her up.
- "MAY GOD HAVE MERCY ON YOUR SOUL!"
- The ceiling of Lea's room covered with the cult symbol and "Her soul" written in red crayon after Mia has a Heroic BSoD and begs to know what the demon wants.
- Then we get a nice pan to the window, and "your soul" is written on the glass before it slowly parts open...
- The scene where Mia starts beating Annabelle and then immediately is fooled into thinking she had murdered her own baby.