Wraith

Wraith  (生霊) is a low-tier undead being that was summoned by Ainz Ooal Gown during the E-Rantel Cemetery Incident while saving Nfirea Bareare.

Appearance
Wraith resembles a black ghost with a wailing expression.

Abilities
Wraith specializes in stealth, using it in both offense and defense.

Trivia

 * Ainz used the Wraith to halt any interference from other adventurers.
 * The Wraith did not appear in the Anime, only in the Manga and the Light Novel.
 * According to Neia they would take the shape of the species who saw them.