Pale Rider

Pale Riders are high level undead summoned by Ainz Ooal Gown.

Appearance
A horseman with an ominous aura, who rides on a pale horse.

Abilities
Pale Riders can ride into the air and turn immaterial, allowing them to pass through obstacles in their terrain environment.

Trivia

 * Ainz Ooal Gown summoned several to act as perimeter guards, when setting out to negotiate with the Serpent of the West and Giant of the East.