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 Re-Estize 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.

Background
In the New World, it was stated that three soul eaters alone once appeared in a beastman city, killing over one hundred thousand beastmen.

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.

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 33 to 50 in YGGDRASIL.