Kun's Blood
Kun's Blood was a rare and strong lightsaber crystal discovered within the galaxy throughout the time of the Galactic Civil War. This crystal is named after Exar Kun, a Sith Lord that existed in the era of the Great Sith War fought between the Galactic Republic and the Sith Empire.
Behind the scenes
Kun's Blood was featured in the video game Star Wars Galaxies released in 2003, a massively multiplayer online roleplaying game created by Sony Online Entertainment and distributed by LucasArts, before the game's servers were shut down on December 15, 2011.