The term "God-Emperor" often refers to the fictional character known as the God-Emperor of Mankind from the Warhammer 40,000 universe. He is depicted as a powerful, immortal being who leads humanity in a dystopian future, where he is worshipped as a god. His primary goal is to protect humanity from various threats, including alien races and supernatural entities. In the lore, the God-Emperor is a central figure in the Imperium of Man, a vast empire that spans the galaxy. He is known for his psychic abilities and strategic genius, having united humanity during the Great Crusade. His reign is marked by a strict authoritarian regime, and he is often portrayed as a tragic figure, sacrificing his own freedom for the survival of mankind.