Here's a breakdown of why:
* Ominous: means threatening or suggesting that something bad is going to happen.
* "I know your home..." suggests the speaker has some specific knowledge about the person's home, perhaps something they shouldn't know or something that makes the home seem dangerous.
The sentence is ambiguous, leaving the reader to wonder what exactly is ominous about the home. It could be:
* The location: Perhaps it's in a remote or dangerous area.
* The condition: Maybe the home is dilapidated or in a state of disrepair.
* The history: The home could have a dark or tragic past.
* The atmosphere: It could be described as creepy or unsettling.
The ambiguity makes the sentence more intriguing and adds a sense of suspense.