Duality: Sephiroth: Keter

By utilizing Creation Release and Destruction Release, Ace manipulates the highest forms of Yin and Yang to their utter-most highest degree, allowing him to create a new species of life capable of engendering anything into existence as well as willing anything from it, with it's effects being permanent. It's also capable of sealing anything permanently.

After using this technique, Ace will enter a coma for a very long time