Vampire
From WoWWiki
A vampire is a creature that feeds off of the energy or blood of others. The rune spell known as Vampiric Mark of Striking is said to imbue a weapon with the essence of a vampire.M&M 72
The term "vampiric" is often used to describe artifacts or spells that drain a victims lifeforce or feeds off of blood. There are spells and items that are said to be vampiric. The nathrezim are often described as being vampiric.
Vampire bats are large bats often used by trolls.
In Wrath of the Lich King
World of Warcraft: Wrath of the Lich King introduced the darkfallen, a race of undead elves loyal to the Scourge. Their leaders display a number of traits associated with the traditional vampire archetype.
