This world is filled with supernatural powers such as magic, spiritual energy, soul power, and supernatural powers, and [messengers] who have been endowed with great power have become an admired profession in this world.
Endless power is accompanied by competition between civilizations in this world.
Souls from another world travel through time and space and arrive here.
And he is destined to make huge waves in this civilized war.
A huge revolution started by a messenger from another world!
Concept: the combination of magic and technology