The Way of the Evil Path: Akusei

A very simple technique used by Asu, that causes a temporary mutation of the face and throat. This technique requires a single hand sign as Asu's unique chakra is collected across his face with its highest center being just above the mandible. After this is done black scale formations will begin to grow as Asu's face begins to morph on a genetic level. Once the mask is completed it will resemble the face of a demon, inluding sharp horns that protrude from the skull.

This technique though non-offensive does have its advantages.The mask's selective permeability helps prevent excessive water from reaching the mouth and nose. This allows Asu to breathe underwater, or in conditions were the air around him has become contaminated.

Though a simple technique it does have its disadvantages. Which it has a limited effectiveness under normal conditions, and with prolonged use could cause Asu to suffocate.