The Yuuzhan Vong are a fictional alien species from the Star Wars universe, introduced in the expanded universe novels. They are known for their unique biology, which is entirely organic, and their rejection of technology, relying instead on living ships and bioengineered creatures for their needs. Originating from a distant galaxy, the Yuuzhan Vong invade the Star Wars galaxy, posing a significant threat to the New Republic. Their culture is deeply spiritual, centered around their gods, and they practice a form of warfare that emphasizes pain and sacrifice, making them formidable adversaries for the Jedi and other factions.