Ackster's sword clashed with the strangely indestructible material of the ground with more power than last time. But it remained unmarked yet again.
Ackster glared at the ground.
He used the moves of his martial art as he felt was right. It was what Bo had taught him and what he followed every time he practiced the martial art. Ackster didn't think he was doing it wrong.
But no matter what he did, the sword didn't create any ripples when it struck the ground.
Just for the sake of it, Ackster punched the ground, too. That didn't create any earth-shaking ripples, either. But Ackster could tell that his fist properly transmitted the force of his blow into the ground. It was just that the material was too sturdy to show any signs of it.