Rashurin no Yami

One of the ultimate Dark Release techniques, a jutsu deemed forbidden by ancient monks, the Masters of Night. Protected for generations by them ever since the time of the shinju, its usage has resurfaced, with a new rising Master of Night, or rather, Mistress of the Night, Chinka.

Overview
A manifestation of darkness, shadow's ultimate form.

Those are some ways to describe this being. From the dark chakra of the user, a huge avatar, the size of techniques such as Susanoo and Taifū Taitan is formed. Markings covers its body, and tendrils hang of his forearms. The imposing figure has immeasurable power, feeding off the natural energy all around it. Powered by natural energy, and even stronger in the dark, it is a force to be feared.

Rashurin no Yami stands behind the user, til the user merges with it, using it as an extension of their body.

Abilities
Rashurin no Yami possesses super strength, and despite its size, speed. It does follow the movements of the user, but has enhance their physical power of their form. Any physical attacks done by the user are mimicked by the Titan, adding to their physical prowess. Also, any Dark Release ninjutsu casted by the user within the Titan, is amplified tenfold. The Titan also adds to simple abilities of a human, it gives them better than perfect sight, breathing, and conditioning, allowing them to support this titan for long. It has the ability to devastate lands, forests, and cities. It can produce titanic energy, through screeches, sweeps, etc. Also, it can shot beams of energy out of its eyes, forehead, and chest. It can also use its tendrils for different uses, and the Titan can absorb an opponent's chakra if attacked.

Weaknesses
Though a powerful technique, the Titan of Darkness is not invincible. It is weak to light, and better used in the evening, night, and strongest at midnight and dusk. Also, if the Titan is hit by overwhelming blows back-to-back, it can be severely weakened quickly, unless its midnight or dusk. Also, if the crystal in its chest is attacked by Light Chakra, it can be destroyed. This technique can also be weakened by weapons. Also, it puts strain on the user, and if maintained for more than an hour, it can sap the user's life source, if they haven't truely mastered it.