Astral Ripper

Astral Ripper is an undead that is said to inhabit the New World.

Background
It was stated by Hejinmal that undead called Astral Rippers appeared as masses of shadows which stalked the Valley of Shadows.

Additionally, the lord of the shadows known as Fear was classified as a nameless Night Lich.

Appearance
It can be presumed that an Astral Ripper have the appearance of a pure shadow.

Trivia

 * While Astral Rippers appeared in the shape of large shadows, a Shadow Demon has the ability to hide in someone else's shadow as one of their abilities.