Resurrection of spiritual energy + creatures from other dimensions + modern weapons + giant ships and cannons + mechas
A world where technology and spiritual power coexist.
Faced with extradimensional creatures that push humans to the brink of extinction, humans do everything they can to fight against them.
Here, spiritual warriors are important, but technology is important.
In the early stage, modern technology is the main focus, and in the later stage, spiritual power is the main focus.
Well enough