What makes 'Frankenstein a horror novel' so terrifying?

The grotesque creation of the monster in the Frankenstein scary story is what makes it so terrifying. The idea of stitching together body parts and animating them goes against the natural order.

The presence of cats alone can be scary in a horror context. They are often associated with mystery and the unknown. Maybe in 'the cats horror novel', they could be possessed or have some sort of evil intelligence.

The sense of the unknown. When you don't know what lies in the abyss, it scares you. It's like a black hole of fear that your mind can't fully grasp.

Well, in a tricycle horror novel, perhaps the tricycle itself is cursed. It could be that anyone who rides it is doomed to a series of horrifying events. For example, it might lead the rider into a nightmarish otherworld where grotesque creatures lurk, and the tricycle is the only means of transportation, trapping the rider in this horror realm.

The setting of the orchard might be a key factor. It could be a place filled with dark secrets, like an old orchard with gnarled trees that seem to have a life of their own at night. Maybe there are strange noises coming from the orchard, or hidden figures lurking among the trees.

The unknown creatures in 'the ruins horror novel' are really scary. They have strange behaviors and appearances that are not of this world, and the characters don't know how to deal with them. It creates a constant sense of dread.

The atmosphere. A good horror novel often creates a really spooky atmosphere. In 'the blanket horror novel', it might be the dark and gloomy settings that make it terrifying.

The power dynamic. Physicians are supposed to heal, but in these novels, they often use their knowledge for evil. For example, in 'The Strange Case of Dr. Jekyll and Mr. Hyde', Dr. Jekyll's position as a respected doctor makes his transformation into the evil Mr. Hyde even more shocking.

The atmosphere. It probably has a really dark and spooky setting, like an old, abandoned house or a fog - covered forest. The descriptions of these places make you feel like you're there, and it's scary.