Soul Eater

Soul Eaters (ソウルイーター) are legendary undead monsters that were summoned by Ainz Ooal Gown for his war against the Kingdom. They appeared on the battlefield in the Katze Plains.

Appearance
Soul Eaters are skeletal horses with an aura that shines a light in their chest.

Abilities
Soul Eaters has a wide range of attack skills, and it can receive a temporary power up buff for killing its target, making it hard to defeat. They are undead with an area-affecting abilities. They could consume the souls of the deceased for sustenance and grew stronger the more souls they ate. They radiated an aura of fear. Without at least a 3rd-tier magic caster, even facing them was impossible.

It was stated that three soul eaters once appeared in a beastman city, killing over one hundred thousand beastmen.

Trivia

 * Just like the Death Knight, they are legendary undead in the New World.
 * Five hundred of them were used as mounts for the Death Knights and Death Warriors during the annual war between the Kingdom and the Empire.
 * On the adventurer rating system, soul eaters have a difficulty rating estimated at 100 to 150. Which would be equivalent to a level 30 to 50 in YGGDRASIL.