The red ribbon itself can be quite scary. It's often a mysterious object that seems to have a life of its own. For example, when it glows in the dark or keeps reappearing even when people try to get rid of it.
The scariest part is probably when the girl disappears leaving only the green ribbon floating. It's so unexpected and gives a feeling of something very wrong and supernatural.
The fact that he haunts the places where he did his evil deeds, like the forest or the mine. You never know when you might encounter him in those already spooky locations. Also, the sense of vengeance that his ghost seems to carry, as if he's still out to harm the living, is really scary.
The sudden, unexplained movement of the clock hands can be really scary. For example, when the hands start spinning rapidly in the middle of the night without any natural cause. It gives a sense of the unknown and the presence of something otherworldly.
The scariest part in the Infosys ghost story is the unexplained noises. Hearing typing sounds when no one should be there gives an eerie feeling as if the dead are still bound to their work.
The scariest parts often involve the unknown. In a mickey ghost story, when Mickey follows the ghost into a dark and mysterious place, not knowing what will happen next. Maybe the ghost leads him to a room filled with strange, shadowy figures that seem to be watching him. The sense of danger and not being in control in such a situation is really scary. Also, when the ghost makes strange, unearthly noises that seem to echo through the whole place, it gives a very spooky feeling.
The scariest part might be the unexplained noises. In the SRT ghost story, when people hear the strange moans and creaks in the supposedly haunted place, it sends shivers down their spines.
As I don't know the actual 'Johnny Ghost Story', it's hard to say. But usually, in a ghost story, the scariest parts could be when the ghost suddenly appears or makes strange noises.
The sudden appearance of the ghostly figure is often the scariest part. For example, in the story where Reliance saw the figure in white in the old mansion, it just popped up out of nowhere, which is really terrifying.
In the USM ghost story, the sudden appearance of the ghosts is the scariest part. Just like when the student in the library saw the figure out of nowhere, it gives a huge shock.
The sudden appearance of the ghost is often the scariest part. Just like in a Smee ghost story, when the character least expects it, a ghostly figure pops up out of nowhere, whether it's from a dark corner or a misty area.