Curtana Original

She curtly swung down the sword.

In the next instant, Kamijou Touma saw a dimension being severed for the first time in his life.

Its range was a little less than 20 meters.

With a strange noise, something passed through along a line that Kamijou and Acqua had been on just a moment before. Something like a belt or a wall that was only about as wide as Curtana Original expanded. It was white and looked a little like a plastic model before it was colored. That object that looked not entirely complete appeared before Kamijou’s eyes.

“I could feel it when I was practicing before. This spiritual item is quite old, but its disposition seems to change a bit when someone wields it based on modern military knowledge. …Well, I’m sure my mother would be able to do something similar because she has the same nature.” A tone of enjoyment could be heard in Carissa’s voice. “Did you know that the cross section you get by slicing a 3 dimensional object is 2 dimensional? And slicing a 2 dimensional object creates a 1 dimensional cross section.”

With a clunk, the mysterious belt-shaped object that had been irrationally floating in the air fell to the ground right next to Kamijou.

It felt something like pottery, but it was actually extremely heavy despite how it looked. Even after it fell, it continued to sink into the black soil.

“Similarly, when a dimension higher than our 3 dimensions is sliced, the cross section appears in this world in a 3 dimensional form. As a result, the ruins of a cross section appears like this.