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The Yuuzhan Vong and their Chazrach slaves are one of the few known alien species in the Star Wars universe to have originated outside the Star Wars galaxy. They are a race of religious zealots that genetically engineer and grow all of their technology organically and view mechanical technology as blasphemy. The Yuuzhan Vong endeavor to improve their physical capabilities through organ grafting. Notably, only one Yuuzhan Vong is able to touch the Force or seemingly be felt through it, something the Jedi find very mysterious, since all living things are supposed to have, in some way or another, a unique Force energy signature distinct from other species. Later, it is discovered they were stripped from the Force upon separation from their symbiosis with the sentient planet Yuuzhan'tar.
When Star Wars canon was changed, Yuuzhan Vong were rendered non-canon.
Yuuzhan Vong invasion
The Yuuzhan Vong invasion (also: Yuuzhan Vong War) occurs in the Star Wars universe timeline between 25 and 30 years after the Battle of Yavin. It appeared and was chronicled in The New Jedi Order series of books. The series also saw the introduction of many new characters, such as Ben Skywalker, son of Luke Skywalker and Mara Jade.
The conflict involves the invasion of the main Star Wars galaxy by the extragalactic alien race of Yuuzhan Vong. The invasion began approximately 25 galactic standard years after the Battle of Yavin, although there is evidence that the initial stages of the invasion had been underway for almost 4,000 years. The war ended five years later, the retreat of the defeated Yuuzhan Vong largely due to the ongoing efforts of the Galactic Alliance. The invasion has been chronicled as one of the most costly wars in the galaxy, due to the death toll it produced. It also saw the deaths of many of the major characters, including, but not limited to, Chewbacca, Anakin Solo, and Admiral Ackbar, as well as 365 trillion sentient beings. The loss was not limited to sentient life, however. As well as sentient and non-sentient beings losing their lives, the government known as the New Republic, which formed from the Rebel Alliance after the war against the Galactic Empire, also fell in the face of the Yuuzhan Vong. The Galactic Alliance was formed by Leia Organa Solo, Cal Omas, and many more. The invasion did not only have negative effects to the locales of the galaxy. The Yuuzhan Vong value their gods above all else. They believed that the gods had promised the galaxy to them. So they paid a great price in life when Nom Anor took on the Identity of Yu'Shaa (which translates as "the prophet"), and created a mass cult among the Shamed Ones, working their way up through the social classes, preaching the Jedi as gifted by Yun-Yuuzhan, and as their only hope for redemption.
Because the Yuuzhan Vong see machines as blasphemous, they use biotechnology: biologically grown organisms that serve the same purposes as machines. Their starships are grown from yorik coral, and are propelled by dovin basals, which bend gravity and create gravitic anomalies for shields. In place of snub fighters, the Yuuzhan Vong use Coral Skippers, which earned the nickname of “skips” by New Republic/Galactic Alliance pilots.
For hand-to-hand combat, the Yuuzhan Vong have amphistaffs. Amphistaffs are snakelike, and can go back and forth from limp like a whip to solid like a blade. They are resistant to lightsabers and can spit an acidic poison at their foes. There is also Vonduun Crab armour, which is a shell, also resistant to lightsabers, and is worn as a chestplate to protect chest and back.
- Yuuzhan Vong on Wookieepedia, a Star Wars wiki
- https://web.archive.org/web/20160122151700/http://www.njoe.com/ New Jedi Order Encyclopedia