Vampire

Vampires (吸血鬼, Kyuuketsuki) are a race in the Suikoden series. Several prominent characters in the series have been vampires.

Overview
Vampires are a race created from humans by the Moon Rune. The Moon Rune transformed Sierra Mikain into a vampire when she encountered it and she is considered the mother of all vampires. The vampire urge to feast on other people to sustain themselves in negated by the Moon Rune but without the presence of the rune, vampires are forced to feed or perish.

As a result, vampires are generally feared and are usually hunted when recognized.