Getsuga Tenshō

Getsuga Tenshō is an ingenious combination of lord Inuzuka's sacred sword and connection to Tiangou. Dan adopted its name after a wise tale he heard of why Dogs howl at a full moon. Their calls literally piercing it. Contrary to its name, there are two stages of manifestation. Perfect and Imperfect. Imperfect, or titled Getsuga Tenshō, refers to crescent shaped blast. Completed, or Mangetsu, is a giant orb that resembles a full moon. Giving this technique its moniker; Dan's Negative Lunar Star. It is a technique absolutely feared among his enemies.

Development
Years after successfully taming Tiangou, Dan and his loved ones established Yakigakure as a village of epic proportion. One large enough to encompass an entire countries land. Composed entirely of thousands of refugees all seemingly living in happiness. Enhanced agricultural crops, among their powerful sense of pride and belonging. His people loved him, choosing Dan as their first Yakikage. Not a soul threatened Yakigakure nor his rule. Dan's glare discouraged demons. Words sending armies scurrying home. Surprisingly, Dan's strength continuously grew. Nonstop training, expanding his innate knowledge of both external and internal aspects. One involving his now infamous realm. Word spread like wild fire. Mothers told children tales. ''When a sun goes black, it is their Lord's calling. His heavenly dog returning to his side before whisking them away for bad behavior.'' But while Dan mastered his whistle, Dan noticed that his own blade pulsed violently. Mimicking its own seizure. Of course, Dan lacked capable knowledge of masterly manipulating space-time ninjutsu beyond his whistle and summons. And he had yet reached his control over Tiangou's knowledge. His ancestor explained that through Tiangou's contract, his heart had reacted greatly with Tsuyunoinochi. Two dog gods often formed a connection through their owners heart. And so, one could use the other as a conduit for their own power. Meaning he'd unknowingly acquired a sword capable of performing powerful dark magic and accessing his personal realm. And after countless visits Dan's sword matured.

-Developing Story-

Usage
"Don't worry, I didn't kill your friends. I just, sent them somewhere for a while. Somewhere that might actually kill them."

Dan's Getsuga Tenshō and Mangetsu are achieved using a single principle. The tip of Tsuyunoinochi serves as the focal point that is responsible for opening a rift in the space-time continuum upon swinging. This creates a dimensional void, or a pathway directly into Tiangou whih is then shot towards his target(s). Tsuyunoinochi's rift serves is in essence a blasted portal. Anything occupying the space it touches, as long as they are within this dimension, is sent into Tiangou's stomach before leaving a massive trail of emptiness. As of yet, Dan can only freely access its incomplete blast; Known as, Getsuga Tenshō (月牙天衝, Moon Fang Heaven-Piercer). After channeling his chakra and swinging his blade, Getsuga Tenshō releases a volley of crescent shaped blast. As they do not consume an entire target, Getsuga Tenshō becomes his more offensive technique. A blast will continue forward through an object or person, transporting that part into Tiangou's stomach while leaving whats left here. Spatially severing them into multiple pieces. He has severed those who claimed indestructible skin, and absolute defenses. Things that obstruct his path are sucked in as well, destroying his enemies hopes for using physical defenses. Getsuga Tenshō's blast disappears after coming into contact with a target. But it also sends the part of the person or object it touched into Tiangou alongside its sealing.

Mangetsu (満月,Mangetsu) is its full form. An orb that resembles Yakigakure's full moon. Like Getsuga Tenshō, this orb is fired at his targets. But instead of severing his enemies, it is used to transport targets and objects into Tiangou as a whole. Its shape increases Mangetsu's size. Amplifying its purpose....

Trivia

 * Although named off of Bleach's Ichigo Kurosaki's famous attack, this move actually draws more inspiration from meido zenghetsu as well as my own space time ninjutsu revolving around Dan and the Tiangou.