Garmorm

Garmorms, also known as faceworms or mindworms, were a rare species of worm-like creature native to the Astral plane.

Description
These creatures had roundish, limbless bodies in length with huge, tooth-filled maws.

Personality
Garmorms were incredibly intelligent. By nature they were very irritable and argumentative, with even their multiple faces sometimes quarreling with each other.

Abilities
These creatures simultaneously perceived the Astral plane and those planes that touched it. They were capable of attacking creatures on those adjacent planes, in which case their astral body could only be harmed by magical items and spells. And in general garmorms were impervious to harm from psionic attacks and powers.

Their most notable ability was absorbing the minds of other creatures. When they did so, a garmorm would draw its victim's body into their own and instantly dissolve it. However, this ability was directly linked to their singing, so spells such as silence could completely rob a garmorm access to it. And if a garmorm was killed quickly enough then their victim's body would reconstitute itself within the creature's stomach and needed to be cut free. Once freed a victim had no memories of their time as part of the creature's "collective" of minds.

After being absorbed by a garmorm, a replica of a victim's face would then appear on the creature's flesh. In general a garmorm could only have up to ten such faces on their body. These faces could press their way out from its body to such an extent that they could bite, sing, and cast spells if their face belonged to a spellcaster. Each day the garmorm would regain any spent spells as if the mind they absorbed had actually memorized or prayed for that day's lot. After roughly four to sixteen weeks a victim's mind would dissipate along with all benefits it provided the garmorm.

Garmorm were also capable of utilizing most magical items that they absorbed, with the exception of those that required touch like a magical weapon or a staff of striking. Much like the minds they absorbed, any magical items within a garmorm's body would be fully digested within roughly four to sixteen weeks.

Combat
When attacking garmorm always sang and at given portions of their song they would snap their main jaws upon their prey, as well as the jaws of all its replica faces on its body.

Society
Though sometimes found together in small groups, these creatures primarily lived a solitary existence.

They reproduced in an asexual manner that involved budding off some of their absorbed minds into a new garmorm. Though how exactly the process worked was unknown.

Diet
Garmorms were intensly ravenous creatures, that subsisted upon the mental energy of other sentient beings.

Homelands
These creatures never willingly left their homeplane.

Languages
Garmorms only communicated through song.

Relationships
Garmorms were hated enemies of the Ethereal plane's terithran, though the hows and whys of this rivalry were unknown to others. And on very rare occasions a garmorm was known to form alliances with githyanki.

These creatures sometimes acted as servants of the gnome deity Urdlen.