Craftworld refers to the massive, spaceship-like habitats used by the Aeldari race in the Warhammer 40,000 universe. These vessels are designed to preserve the remnants of the Aeldari civilization, which was nearly destroyed by the catastrophic event known as the Fall of the Aeldari. Each Craftworld is home to a distinct culture and way of life, with its own unique traditions and practices. Craftworlds are equipped with advanced technology and psychic abilities, allowing them to navigate the Warp and travel across the galaxy. They serve as both a refuge and a base for the Aeldari, who seek to protect their people and reclaim their lost glory while avoiding the dangers of the universe, including the malevolent forces of Chaos.