Ginnungagap

A Dwarfish phrase used in a heated argument between Sulien Heddwyn and Ardent.

From context, it may have a lot to do with tra'ka' - "And a Ginnungagap for those that say different!"

Annotation

Wikipedia defines Ginnungagap as the primordial empty abyssal void in Norse mythology, the primordial Chaos from which all things began and into which all things will eventually fall. It is possible Sulien was wishing the Grags to Hell as well as describing how little he cares for their views.