Dwarven

ΔωΑΡΩΕΝ

Its basically just english under a greek font.

Dwarves adopted it after they seperated from elves. While its inital purpose and invention is unknown, it theorized to be invented to overthrow elves in communication error. However, most elves actually easily understand the language, and was rather used to disassociate.
In modern day, and the neccessity and convience of Klipohorian, the dwarven language is slowly being forgotten as they find it more convient to just use Kliphorian.

It is the core language of Kliphorian.