By placing her hand on the ground Kohana uses the gorund underneath to lauch a crustal tower from the ground the real damage is how she can control where she want it to fall as she would make it ,ean over and smash into an opponent which would crush them underneath such force. Although this jutsu take a wide area becuause the attack can be used Veritcal is pretty easy to dodge as long as you move in a horizonatal dodging style