Aklo

Also called the language of Madness or Far Speak, Aklo is the native tongue of the Far Realm. Its words, much like those that speak it, inspire madness in any who hear it.
 

Special

This language is not available to be learned via ranks in the Linguistics skill or as a bonus language unless explicitly granted to a character (such as by race, class, trait, or feat) or they obtain access to a source of knowledge on the language from which it can be learned (DM discretion).