The Craftworld Eldar are a highly advanced and ancient race in the Warhammer 40,000 universe. They inhabit massive, spaceship-like structures called Craftworlds, which are designed to preserve their culture and protect them from the dangers of the galaxy. The Eldar are known for their exceptional psychic abilities and advanced technology, which they use in both warfare and daily life. The Eldar society is divided into various factions, each with its own unique characteristics and specialties. They are often seen as aloof and enigmatic, focusing on their survival and the preservation of their race. The Aeldari are skilled in combat, utilizing fast-moving units and powerful psychic powers to outmaneuver their enemies.