Body Modification Technique

Ace used this jutsu to encase his entire skeleton in a special synthetic metal. This metal gives a boost to his already super fast healing factor, making it nigh super natural, as well as making his skeleton completely indestructible.

Because of the metals properties, he inherits it's abilities as well.

Effects and Enhancments of Metrochronium

 * Makes his skeleton indestructible.
 * Allows him to absorb chakra, and all forms of radiation.
 * Can multiply and manipulate the metal itself as an extension of his body.
 * Allows him to make himself weightless at will, as the atomic weight and atomic mass is so high that it neglects its own weight.
 * Can stop projectiles upon impact with his body by coating his skin in metrochronium.
 * Allows him to create a blade-like projectile called Ultimate Edge that literally cuts through anything but itself.
 * Allows him to create a pulse-like field called Momentum Stopper that allows him to literally stop anything in its tracks.

=Uses= Ace often extrudes 8 spikes from his back, four on each side, 3 from the side of each forearm and 2 long blades from each palm.

=Perks=
 * Regardless of the release nature, this metal can't be manipulated my release natures capable of manipulating metal, as it is a programmed metal and can take shape and form at Ace's will.