: (n) a sword technique that requires the user to slash an object, which will inflict
interior damage while keeping the
exterior unblemished; a master of this technique can sculpt the
interior to their liking.
After Wa De Kun used delayed
aftershock on a boulder,
the boulder seemed to remain unchanged. However, when you look inside
the boulder via an x-ray, you can see a replica of Michelangelo's David.