Kesium gas

Kesium gas was a substance that was mined on the planet Jakku. When the traveler Corwin Ballast asked what work was available on Jakku, the bartender Ergel suggested mining kesium gas that was found near Crater-town.

Behind the scenes
Kesium gas was first mentioned in the novel Aftermath, which was written by Chuck Wendig and released in 2015.

Appearances

 * Aftermath