Since I don't know the specific Drish House ghost story, but usually in ghost stories, things like apparitions suddenly appearing can be terrifying. If there are ghosts that look really scary or have a menacing presence, that would be a terrifying element.
Well, without more details, it's difficult to fully tell the Drish House ghost story. But generally, in a ghost story about a house, it might start with the history of the Drish House. Perhaps it was once the site of a tragic event like a murder or a sudden death. Then, over time, people start reporting seeing shadowy figures, hearing moans or screams at night. They might feel a cold chill when they enter certain rooms. There could be stories of objects moving on their own or lights flickering for no apparent reason.
One way is to make it completely isolated. If it's in the middle of a dark forest or on a desolate moor, it'll be scarier. Also, add lots of cobwebs and broken furniture.
A terrifying story could be that in Hill House Manor, a family moved in. Every night, they would hear heavy footsteps pacing back and forth outside their bedroom door. One night, the youngest child woke up to see a pair of glowing eyes peering through the keyhole. When they opened the door, there was a cold mist and a figure in a tattered shroud that vanished as soon as they screamed.
Well, the apparitions described in the Amityville ghost story are quite terrifying. The family reported seeing shadowy figures and even the face of a demon - like creature. These visual manifestations added to the horror as it made the haunting seem very real and immediate.
The unknown. In these Eastern State ghost stories, we don't really know what the ghosts want or why they are there. Are they seeking revenge? Are they lost? This lack of understanding about the motives of these spectral beings makes the stories extremely terrifying. The fact that they can appear and disappear suddenly, leaving people with a sense of unease and a fear of the unexpected.
The traps are really terrifying. They can spring up suddenly and harm the main character. Also, the strange atmosphere of the house, like the dim lighting and the creaking sounds, is very spooky.
Well, the sudden appearances of the ghosts can be really terrifying. Just when you think everything is normal, a ghost pops up out of nowhere.
The most terrifying element is the unknown. Just the idea that there are ghosts in the castle, but not really knowing who they are or what they want. For example, the lady in white. No one is sure what her tragic end was exactly, and that makes it scarier when you think you might encounter her in the corridors.
Since we don't know the specific 'ino house ghost story', it could be that a key element is the location of the house. Maybe it's in a desolate area which adds to the spookiness.
Some common elements are a spooky old house, strange noises at night, cold spots, and apparitions. For example, in many ghost house stories, the old house is often isolated, with creaking floors and doors that open and close by themselves.