Common

Common, also known as Galactic Common, is an ancient language that has taken up parts of the languages of many of the races of the system. It's originally based from Gnomish long ago, but now it has taken on elements of many of Aldyn's primary languages as well as random loanwords from other languages in the galaxy and formed into one comprehensive but complex language.
The language is primarily used in the Aldyn system, but has some usage elsewhere. Many Demons from The Instability even choose to speak it because it allows communication to so many sentients in the galaxy because of the far reach of all of the Aldyn races.