Vampire

Vampires are a species of undead found in Shaarjia, as well as the Phantomfields and even the Other Side. While not naturally evil, they are feared by some races.

The term for something relating to them is 'Vampiric'

Only Trolls, Usagi, Foxen and Baajians are known to be able to become Vampires

 Creation 

It is unknown where and how to first vampire was created, but some sources say it was due to Yojimbo corrupting some of Anima's followers, or by Bwonsamdi biting a troll and ensanguining her, then infusing the body with his powers of undeath