Vampire World was the period on Earth when the vampires reigned. It was the third out of four consecutive ages to exist and lasted for approximately 10,000 years before it came to an end due to a great flood.
- A great flood marks the end of Vampire World.
- The element that corresponds with the end of Vampire World is water (great flood).
- Like the names of the other ages, "Vampire World" was coined by Hugh Davis. It is unknown whether other Night People use these terms as well.
- It is unknown whether the Night Wars had any influence in causing the downfall of the vampires, like it did with the witches during Witch World. However, the Night Wars is known to have lasted right into the 16th century.