Keldesh was the main language of Kelden on Keldur. It was a complex from any ancient languages which made it very difficult for the outlanders to understood it. It had a lot of grammatical falls and generally had a difficult vocabulary. After Elendiala the preservers of light Kelden spoke their language constantly from then. Tharen Keldaron, Laura Keldaria and Michael Keldaron with many other kelden spoke their language with the right accent. Also Gabrielle Keldaria spoke the language as her speech sounds which was verbally identical to the voices of the Ancient Kelden. This languange was spoken primarily at the most urban worlds like Keldyx Prime, Keldeviron, Keldanuthor, Keldefigor, Keldeveruith, Keldaberus, Keldesiroq V, Kelderrixe, Keldichorenus and Keldarenus but also on Keldur, Keldu