Tentei Moeru

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Tentei (Also known as Ryujin, Gouka and Gakidou, Makaze) is an Arrancar with a strange ability to use both Resurreccion of a normal arrancar and the Shikai and Bankai of a Soul Reaper. This is thought to be derived from the fact unlike most hollows, when he formed as a hollow he was capable of remembering his human life, which gave him a hatred of the hollow race. As he devoured hollow after hollow he slowly(by his standards) became a gillian and then even became an Adjucha and Vasto Lorde. He spent one century training using techniques based on the Soul Reapers he had seen, and found that he too could use Bankai. After following Shuhei he was soon asked by the head captain of the meaning of his intrusion, since he hid his presence they believed him to be an evil person. He soon declared that he was there to slay hollows, he engaged the captain of squad six in battle to test his skill as a Soul Reaper, when fighting it becomes clear his Zanpakuto is different, capable of at first using four "songs". Each "song" is a different element and the higher the number the more destructive power the element has, his powers over these elements are then divided into six "movements" or techniques with a forbidden seventh movement and what is known as "absolute movement". The current guess to why he is capable of utilizing such magnificient power is simply, he mixes reishi from the atmosphere into his own spiritual pressure to create colossal power. He does this a lot but has some serious drawbacks.

Personality and History
A strange, slightly eccentric and yet serious personality, while self-aware he retains belief in justice, loyalty and honor as he was born during the Heian era, the era of Samurai. He was taught to follow the art and had since kept such beliefs, however he is tempered from the sins of the past. He went crazy in a fit of rage after a traumatizing event, then went on a killing spree and was then drugged to retain this identity, he became known after his own Resurreccion sword's release, "Ryujin Makaze" or "Dragon King" "storm caused by the devil". The names that followed he gained by being a ruthless, merciless killing machine, unable to stop. When he gained control once more he escaped the world beyond even Hueco Mundo he trained as a Soul Reaper for the next century. Due to this his personality at times goes dark, either by becoming extremely self-hating or by going into a rage in which he destroys all in his wake. He has killed countless beings, to even fathom the number needed to sustain a Vasto Lorde for as long he has lived one would have to think of someone who ate six times a day and times that by a hundred, over the centuries he consumed twenty times the needed number. His half-hallow half-Soul Reaper abilities were caused when he first became a Vasto lorde centuries ago and ripped off his mask and then saw a Zanpakuto at his side, again this is thought to be caused by his human sentience. His history in war is great as at the age of thirty-two he died at the battle of Don-no-ura fighting for the Taira (emperor's) clan, the Genji clan had taken over. He has raised children, although none ar biologically his, he often chose gillian that intrigued him and turned them into Adjucha. He taught some of his legendary technique of mixing reishi and spiritual pressure together to some of these children and the art of bushido to others, he is a strong believer in justice and once others attack he will try to spare their lives. He is incredibly old, being over eight centuries old, and has gathered experience in many forms of battle, considered to be the King of Hollows to almost all that heard his name.

Abilities
Hand-to-hand combat: He has fought countless battles during his reign of tyranny as the "Dragon King" and gained unbelievable speed, strength, power and experience, strength easily almost double that of a captain in this form of combat.

Swordsmanship: Following the teachings of his Samurai heritage he practices with his sword all the time, in addition to using his Zanpakuto as a katana in the beginning, and has trained himself in this during the time he was known as the "Dragon King" by cutting through hollows and devouring their flesh.

Shunpo: expert at this even being able to use this eight times in the time it takes a lieutenant-level officer to use this once at full speed

Cero: his normal cero is pure black and shoots for miles obliterating all that get in his path, with a nearly endless amount he can shoot out of any point without so much as a glance at the opponent, this unaltered cero is easily able to take on even five Grans Rey Cero blasts, all due to his being an arrancar

Grans Rey Cero: this cero is a lot larger and capable of decimating kilometers.

Grans Rey Cero mix: he mixes the reishi and spiritual pressure and instead of releasing a normal cero releasing a powerful cero