The Legendary Rebuilding of a World by a Realist Demon King

The Man who was called the Demon Vice-Commander

I put the sword into the Klein bottle.

This time, there was something very different about the way it flashed. And it was the same with the magic that surrounded the pot.

There was usually an ominous, monstrous aura there, but this time it was much more divine.

Perhaps this was a feature of Spirit Summoning.

It allowed you to summon those who were Heroes or called Gods in other worlds.

It needed a little flare.

And then I thought of something.

“The rarity of the monsters are displayed when you summon them. But what about Spirit Summoning?”