Nightdragon

The nightdragon was a creature known to the Chiss Ascendancy, the nation of the Chiss species. The Nightdragon man-of-war, a warship class used by the Chiss Expansionary Defense Fleet, was named for the creature. The nightdragon was also a piece in Tactica, a board game played in the Chiss Ascendancy.

In 18 BBY, after the Ascendancy exiled Senior Captain Mitth'raw'nuruodo, core name Thrawn, the Senior Captain explained to Admiral Ar'alani that Expansionary Defense Fleet Supreme General Ba'kif had sacrificed his nightdragon, Thrawn, to the Chiss ruling body of the Syndicure, which demanded charges on everyone who fought against a Grysk fleet. By exiling Thrawn, the ruling body accepted not to bring charges against the "whisperbirds:" those who had served under the senior captain.

Text and facts from the “Nightdragon” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.