Harken (Beholder bandwagon)

Fleshy coils folding into each other forming loops and a single giant spiral. Two holes, one circular and one oval, seem not so much to gaze at you, as to do the auditary equivelent. They harken.  

They are the manifestation of single-minded obsession. The only way they show themselves is in their complete and total intollerance for anything other than the object of their monomania. What is clear that they listen, as they seem to have no visible sensory organs other than auditory orifices. What isn't clear is what it is they are listening for. 

Though it is uncertain how exactly they do it, they are able to eliminate specific sounds. Wherever you find them ominously hovering they seem to be envelopped by something close to total silence. Close to, because, according to those who managed to survive their encounter with these beings, there seems to be something presenting itself to the ear that the mind cannot fully grasp. The inclination of a sound that is even drowned out by ordinairy silence. 

In a perfectly predictable world these creature would be docile curiosities, perhaps even sought after by those who crave some peace and quiet, or those fascinated by the strange almost sound as an object of study or worship. But alas, either our world knows irregualrities impossible to predict or the expansive minds these beings must possess isn't without limit. Whenever a sudden sound is uttered near it, the monstrous orifice goes on a sonic rampage, weaponizing the sounds surrounding it. 

Durings its offence rung steel continues ringing louder and louder until it shatters, voices boom with such strength it strains vocal cords and ruptures eardrums, the clacking of harsh boot heels causes leg-crippling sonic booms, an whole orchestra of horrors is unleashed upon the unsuspecting victim or foolish daredevil who disturbed its quiet.