The Ducateon, Dwarven, and some of the Skraeling root tongue. The language has its source in the root language of Dukat.
Non-Native Max. Capability (or those lacking the physiology to speak it fluently) = Competent.
Du-Kat – The Stone Tongue
The majority Ducateon speakers in the Steel Realms speak the Du-Kat dialect. It combines the normal sounds along with clicks made using their thick nails.
Warning Obscure/Hidden Knowledge is not generally available in known references; It is not necessarily Forbidden. DO NOT READ BEYOND THIS POINT unless a character has the capability to gain such knowledge [through association, organization, or relation] if they do not possess it themselves or the reader intends to participate in scenarios using this material as a PLAYER! GM Narration will typically provide relevant information by check or story.