Billy suffering the effects of the dark forbidden tongue
The Dark Forbidden Tongue (not meant for the ears of mortals) is a language Lord Pain is able to speak in House of Pain.
Description[]
It is comprised of chattering noises (similar to a squirrel), and causes destruction to objects and mortals within hearing range.
There is currently no known translation for what Lord Pain is saying in the Forbidden Tongue, or if it has uses in communication.
History[]
In House of Pain Lord Pain is shown speaking in this language to impress Grim