Necrons

Necrons are a fictional, ancient robotic civilization from the Warhammer 40,000 universe. Once living beings called Necrontyr, they transferred their consciousness into powerful, skeletal robotic bodies to achieve immortality. They possess advanced technology, including powerful weapons and war machines, and seek to reclaim the galaxy, believing themselves destined to dominate. Their civilization is characterized by a combination of alien mysticism and high-tech machinery, making them formidable opponents. The Necrons are notable for their undead, skeletal appearance and their relentless pursuit of their ancient, mysterious goals.