Strength 15 Volume 3

Izayoi harshly clicked his tongue and raised his fist high. Gathering all the
strength from the small tips of his fingers to the ends of the five fingers, he
added the torque from the rotation of his hips to launch his attack with a
punch.

The rubble of steel and cement that were buried below the rubble had
formed a huge crater due to the heat and force that Izayoi's fist had
wrecked. Although this crater seemed like a dried up lake, it was soon
swallowed up by the shrinking earth that made it disappear without a trace