A More Practical Method

"Haaaa!" Noel shouted while waving his sword downward. The energy from his sword traveled through the water. It was powerful enough to cut the surface, but it didn't manage to reach the bottom of the river.

"…" Noel looked at the result with a solemn expression. "This is not it. I'm lacking something."

After he got some insights from the battle between his ancestor and the demon king, he tried to sort his thoughts.

As expected, he ended up wanting to try it himself. However, even if he gained some insight, doing it was easier said than done.

He had been doing his best to use that power, but he couldn't imitate it even just a tiny bit.