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Chapter 0: The War To End All Wars

The Thousand Year Blood War. The war to end all wars. At first, the Shinigami of Sereitei and the Quincies of the Vandereich were the only combatants. It was simple, really. The Shinigami win and the Quincies would be extinct, save for a few.

That changed as Heuco Mundo came into play.

What started out as a war that was meant to be fought in the spiritual world escalated to the point where it had to be fought in the sands of Heuco Mundo, the land of Hollows. Seeing their chance, the Hollows feasted on the souls of both Shinigami and Quincy alike. They became so powerful, that they were able to drive the battles away from their world and unto the next.

The Living World.

After a hundred years of bloodshed, there came a handful of Shinigami and Quincy wherein the Quincy gained Shinigami powers and vice-versa. They formed what was known to be as the Order of the Black Quincies. They fought neither for the Balance of the world, nor for the protection of themselves. They fought for the peace of the Living World.

Four hundred years into the war, the Hollows had gotten the advantage. They were finally able to advance enough troops to mobilize an attack on Sereitei.

Crippled, the Shinigami were forced to back out.

Not one to attack while the enemy is at their weakest, the Vandereich leader, Yhwach, called off his attack as he and the rest of his army too went into hiding.

Without any reasonable supply of fresh souls, the Hollows started to once more devour their kin. This dealt a devastating blow to which forced the five Vasto Lorde to take action, in which they sealed off Heuco Mundo for an indefinite amount of time.

The Black Quincies, with their task completed for the time being, disappeared. At least until they were needed once more.

For six hundred years, nothing from the four sides were heard from. Not until a human by the name of Kurosaki Ichigo appeared. This had caused the Shinigami to act as the human had gained Shinigami powers through illegal acts. After climbing his way through the ranks of Sereitei, Ichigo was able to rescue one Kuchiki Rukia after she was about to be executed. There, a captain by the name of Aizen Sosuke revealed his plans. Extracting the Hogyoku from Rukia, Aizen fled to Hueco Mundo.

There, he formed the Arrancar army. He cured them of their one natural weakness; the emptiness that they always felt. He turned them into Arrancar. Following this, he formed what is known as the Espada, the ten strongest Arrancar, three of which were part of the original five Vasto Lorde of Heuco Mundo.

Ichigo once more charged into battle, with the intention of saving yet another friend, Inoue Orihime. This time though, he had control of the Hollow powers that he had unwittingly gained. Fighting his way through, Ichigo met with Ulquiorra Schiffer. In their battle, Ulquiorra had used his Cero to destroy Ichigo's heart. Thought at first to be dead, Ichigo rose up once more and became a rampaging Vasto Lorde, killing Ulquiorra in the process. In his rampage, he had killed not only his Quincy friend, Ishida Uruyu, but also the woman he had wanted to save, Orihime.

In the Living World however, the Shinigami and Arrancar were fighting, with the Shinigami winning. But Aizen had a plan. When two of the three Espada with him fell, he opened a Garganta. What came through it was a shock to everyone, except Aizen, of course. For through the Garganta was none other than a rampaging Vasto Lorde that was once Ichigo. He killed more than half of the Gotei's forces when the Soutaicho took action, killing him in one swipe.

Still, Aizen had another plan. He opened yet another Garganta and out came the Stern Ritter and Yhwach. They completely decimated the remaining Shinigami, including the rest of the captains and Vaizards that came to help. The Soutaicho, seeing that he was the only one left, used the only thing he had left.

Bankai.

Unprepared, the Vandereich and Aizen were killed in one swipe. Before his death, however, Aizen saw his chance. He launched an experimental kido at the Shinigami, which, as he killed Aizen, hit him directly on his chest. The Shinigami fell to the ground. He was dieing from the kido. Yet when he died, something different occurred. The kido was supposed to be something akin to Barrangan's aging ability, but instead of dieing quickly and soundlessly, the man's power exploded which should, by all means have destroyed Japan. It was the Black Quincies that prevented this though. When they had found out that the second phase of the war had began, the members that were still alive formulated a barrier strong enough to withstand the force of a 100 megaton bomb.

Not without consequences though.

The amount of reishi needed to create the barrier was immense, which had drained the reserves of three-fourths of their members, killing them slowly. The backlash, however, was even more dangerous. The power behind the reiatsu of the Soutaicho was so heavy that it flattened the remaining Black Quincies.

Except one.

Instead what the backlash did to him was far worse than what the other had experienced. He was the leader of the Black Quincies. He had to save this world. Fortunately, or rather, unfortunately, something seemed to hear his thoughts.

The Hogyoku.

The orb shined from within the barrier. The light then proceeded to slowly make its way towards him. When it reached him, it suddenly shot towards his chest. He felt immense pain. Pain like never before. Hell, he almost lost focus on the barrier.

As the pain subsided, he felt something. He felt as though he could continue. That he could save this world. He forced all of his reiatsu into the barrier and to his shock, he had forced the reishi in the air to overcome the reiatsu. That was when he realized something. The Hogyoku had helped him.

He held out his hand and the orb slowly materialized. If his wish granted him power, then it could grant him even more. He held the orb tightly. Finally, it shattered. The Hogyoku was destroyed.

What he didn't expect, however was for a swirling portal to appear before him. His eyes widened. He was getting pulled in! Inside though, he was content. Prior to the Soutaicho releasing his Bankai, he and his men had sealed off Hueco Mundo. No hollows would be born with Hueco Mundo unavailable. The world was safe.

They had won.

With that, the man allowed himself to be sucked in the portal, never to be seen in this world again.

A/N: So, whaddya think? Good, could be better, or complete crap? I mean, a new story after I put my other one on hiatus? Let me know what you think.

PS: First TWOGK and Bleach crossover! I have a feeling this story will also be on hiatus in the future, but that's just me.

PPS: This story revolves around an OC. Don't like, don't read.