They all died not long ago…

"A Spirit King can die? Aren't they immortal?"

That's what we believed as well, but it wasn't the case. During the Great War, many Spirit Kings perished while fighting against the Chernobog when they invaded Spirit World. I'm ashamed to say this, but I am the strongest of the remaining metal spirits.

'Again.'

The same story was mentioned again. The war that was so all-encompassing that it shook the foundation of the entire universe — The Great War.

'Well, I guess I should be glad I was born in this age? If I had been alive during those times, I would have been swept away by the war regardless of where I was in the universe.'

Since the beginning of time, the Great Universe had birthed beings that mortals could not even imagine. Gods and demons created alongside the creation of the universe. Ancient Gods possessed so much power and authority that they could destroy the entire universe if they wished. Space monsters that were bigger than planets and stars. Beings without names and titles whose roots were unclear. Finally, transcendents who trained themselves in search of stronger powers.

However, even though such beings possessed unimaginable power, they were extremely limited in their...