The old cemetery was silent. A man went there at midnight. He felt a chill in the air. Then he saw a ghostly figure floating above a grave. He ran away as fast as he could.
The brevity. It quickly sets a spooky scene and then drops a terrifying twist in just two sentences. For example, 'I found a diary in the attic. The last entry was my name.' It makes your mind race with questions and fear.