Zirva

Zirva, (the oldest language, the most useful speech, the ancient tongue, the first words, Moga) was the language of the Old Gods, used to utter everything into existence during creation.
The Zerrelians only know of the existence of Zirva, but no being mortal or immortal other than the Old Gods have ever heard a single word of Zirva.
As powerful as the language is, the same language that was used to call forth the universe and everything into existence, the Old Gods hardly speak at all since they can communicate telepathically through sensory-imagery to each other and reserving the use of Zirva for exclusively for creation or destruction.