I Can Create a World of Imaginary Numbers

Xu Fan traveled to a fantasy world where war was raging. Fortunately, he got an imaginary number world simulator left by an alien civilization, and then he created countless imaginary number worlds of different types of civilizations. In the world of imaginary numbers, he incarnates as the creator god behind the scenes, manipulating all civilizations to fight against each other and steal their technology. In the real world, he uses the technology obtained in the world of imaginary numbers to develop technology, improve his strength, and then dominate Kyushu!