Foreboding

Foreboding is the tentative name for an undead monster that exists in the New World and YGGDRASIL.

Appearance
A monster that resembles a cloud of roiling black mist. Countless fearsome, ever-changing faces emerge from within the mist belonging to many species and races. The wind around carries the sounds of weeping, cries or agony, the gnashing of teeth and the last gasps of the dying to them.

Abilities
This undead is an incorporeal creature that has the ability to confuse one's mind with its wails. Unenchanted weapons are useless against it.

Trivia

 * Zaryusu Shasha one encountered an undead like this during his time as a Traveler. Upon seeing its power he chose to flee.
 * Later this monster was used by Ainz Ooal Gown to send an ultimatum to the lizardmen of the Great Lake.