Tower of Heaven

A powerful technique that allows users of paper Ninjutsu to reconstruct the paper used in their techniques at an atomic level, realigning the carbon atoms that make up each sheet of paper to give each one the hardness of diamond. The power of all paper-based Ninjutsu can be vastly increased by augmenting them with this technique. The number of techniques capable of piercing paper strengthened with this technique is close to zero with only Amaterasu having the necessary corrosive capacity to burn through the paper- and even then it only burns like ordinary fire on wood.