Sanctioned Psykers in the Warhammer 40,000 universe are individuals with psychic abilities who have undergone rigorous training and conditioning under the auspices of the Adeptus Astra Telepathica. These psykers are carefully monitored and controlled to harness their potent abilities for the benefit of the Imperium of Man while minimizing the inherent risks associated with their powers. They serve in various roles, such as battlefield support in the Astra Militarum, where they can use their powers to turn the tide of battle, or as Astropaths, enabling interstellar communication by transmitting messages through the Warp. The process of sanctioning involves binding their souls to the Emperor of Mankind, granting them greater control over their abilities but often leaving them physically and mentally scarred. Despite their vital contributions, Sanctioned Psykers are viewed with a mix of reverence and suspicion, reflecting the Imperium’s reliance on their powers and fear of the dangers they pose.