Sentence examples for a vampire from inspiring English sources

The phrase "a vampire" is correct and usable in written English.
It can be used in contexts discussing folklore, literature, or popular culture, particularly when referring to the mythical creature that feeds on the blood of the living.
Example: "In the story, the protagonist discovers that she is not just an ordinary girl, but a vampire with extraordinary powers."
Alternatives: "a bloodsucker" or "a nocturnal creature".