Bankai Name: Chūsei no Idaina Rensa Shi Seishin (Great, Chained Spirit of Fealty)
Bankai Appearance: In actual combat, Captain-Commander Tsuribakki, the Bound Titan, has only resorted to the use of his Bankai form a handful of times--never in Soul Society, and always with the express, unanimous permission of Central 46. When training, he secludes himself in a pocket of space-time hollowed out in the Dangai where his abilities can do no damage to any mortal bystanders. This incredibly dangerous and difficult method of self-cultivation is only made possible by his vast amount of spiritual pressure, which allows him to survive in the unforgiving realm without becoming trapped by the countless defenses the Dangai employs. Even then, Tsuribakki can only keep up a dual-pace of Bankai and spiritual control for six thousand hours--roughly three hours in normal time--before he has to seal his Zanpakutō and return to Soul Society.
The transformation from Shikai to Bankai is signified by a momentous, symbolic action; Tsuribakki, in all of his power and prestige, kneels to the ground and lifts his bound hands up in front of his face in a style identical to some western forms of prayer. This humbling moment shows a level of loyalty that few would have expected from the Captain-Commander back during his times as the Kenpachi,. With a booming voice kept tender by the mutual respect that binds Shinigami and Zanpakutō, he simply states:
"Bankai. Chūsei no Idaina Rensa Shi Seishin."
The power released upon the utterance of those words is astounding. White energy flows outwards in all directions--a tidal wave that could sweep away an army of Lieutenant-class soldiers in an instant of brilliance and awe. Captain-class combatants who have not entered a similar state of release find themselves at the risk of being torn into nothingness by the pushing and pulling forces inherent to the Steel-Bringer's Reiatsu, a trait only made more imposing by the fully manifested, true form of his Zanpakutō.
The six chains of Chūsei's Shikai form extend into the ground, much like during the Inori: Kyūdō. Unlike that prayer, however, the amount of chains that rupture forth from the ground is far greater than a measly dozen or two; instead, thousands burst free and spiral into the sky in a dance of shifting steel. These new chains vary in proportion on a far grander scale than those produced during Shikai, with some being as wide as fifty feet and several miles long. The actual numbers, shapes, and properties of the chains is almost impossible to determine due to their speed and quantity.
Tsuribakki's form is almost immediately wrapped within the eye of the metal storm. Although the sea of chains never stops moving for an instant, it does fall back towards the ground, and when the Captain-Commander is revealed from behind his steel shroud his upper body is completely encased in what looks like a segmented iron maiden. The head of the device, which is the Bankai form of his Zanpakutō, has an eagle motif that hints at the true nature of the weapon's spirit, backed by a metal crest that insinuates royalty. The eyes of this statuesque feature are as solid and metal as the rest of it, but a white glow within the sockets hints at the fact that sight is retained despite this complete covering.
Tsuribakki's arms continue to be bound in this final form, although they are now wrapped tight across his midsection, limiting the movement of his upper body entirely and keeping him trapped within the metal shell. This completely eliminates all forms of Hakuda that rely on upper-body manipulation. His legs remain uninhibited, however, and such is the reason why the strongest of his techniques, particularly the Hibiwarekeru, rely on the open function of his lower body instead of his torso and arms.
Indestructible Form: Like its Shikai form, Chūsei no Idaina Rensa Shi Seishin is completely indestructible, allowing Tsuribakki's entire upper body to remain impervious to damage from even the strongest of sources. While this does not make him immortal--enough wear on his spiritual energy or damage to his lower body can still be fatal--it functions in a way that turns him into a defensive battering ram of unspeakable utility. Cataclysmic abilities that can affect him from the bottom up are more than capable of infiltrating the iron maiden and harming him, despite his isolation within his steel encasement. Likewise, these defensive capabilities do not stop mental assaults, although Tsuribakki's own willpower is more than often as impenetrable as his Zanpakutō and just as unforgiving. Although he is no longer capable of producing chains from the areas of wrapped metal near his elbows, any set of links directly attached to these particular zones are as impervious to damage as the rest of his upper body.
Sensory Isolation: While Tsuribakki's head may be completely encased in the iron maiden of his Bankai form, he is in no way limited in regards to the primary senses; in fact, one is remarkably improved. Like the eagle, his visual capabilities skyrocket to the point where he can see hundreds of feet further than normal vision permits--with a clarity so crisp that it borders on perfection. This, like all of his senses, functions through an outstretched awareness that funnels through his Reiatsu. The white glow in the eyes of the eagle motif is an example of the appearance of this feature, although his sense of hearing and smell--touch and taste are still stifled--don't have similar markings. Breathing is also replaced by this Reiatsu-utility, making gaseous poisons useless against his Bankai, although skin-contact and injected applications can still be used upon his open legs. This allows Tsuribakki to exist in the harshest of conditions, increasing his survivability to another astounding plateau.
Shin no Kenshin no Inori: Muteikō (Prayer of Whole-Hearted Devotion: Passivity): The signature ability of Harotaissen Tsuribakki's Zanpakutō and the reason Central 46 must unanimously approve his combat release, the Shin no Kenshin no Inori: Muteikō is a constantly active prayer that he has no direct control over. The massive ocean of writing, constricting, and incredibly durable chains that appear during the activation of his Bankai are finely attuned to Reiryoku and spiritrons (the particles that make up spiritual beings like Shinigami, Pluses, and Hollow). Without the mental command of their master, these chains actively search for and obliterate anything and everything that has even the slightest trace of either of these elements, barring the Captain-Commander himself. Unfortunately, all living things have a level of Reiryoku, even if it is negligible, making collateral damage almost impossible to avoid once the chains have been set loose. What is worse is that, in Soul Society, where everything is composed of spiritrons, nothing is safe or sacred outside of Sekkisekki stone. Should Tsuribakki ever release Bankai within the walls of the Seireitei, the likely result would see the entire Shinigami fortress crushed, torn, and broken as the sea of chains drowned the buildings in a current of shifting metal.
Shin no Kenshin no Inori: Satori (Prayer of Whole-Hearted Devotion: Enlightenment): Despite the release into Bankai and the incredible spike of Reiatsu that accompanies it, Tsuribakki is still too large to effectively benefit from the potential boost in Hohō that comes with such quantities of spiritual energy. This prayer helps negate that particular downfall. By seemingly sinking into--or walking into, if an up-welling is nearby--the shifting chains, he can actually "chain-walk" or "teleport" to any other location within the physical reach of the Shin no Kenshin no Inori: Muteikō, allowing him to traverse distances instantly without leaving the protection of said ability. The movement is almost instantaneous, but the quickest individuals are still able to predict the movement and even outpace it since his entire body must be enveloped before he can begin to appear anywhere else. Although this window is quite small, it still exists, and that is often enough for such masters. Still, the incredible mobility allowed by this prayer more than makes up for the lack of maneuverability that the Bound Titan normally suffers.
Shin no Kenshin no Inori: Chie (Prayer of Whole-Hearted Devotion: Wisdom): This prayer makes use of the teleportation properties of the Shin no Kenshin no Inori: Ashinritsumei to bolster the velocity of a traumatic, devastating headbutt. By launching himself into the sea of chains head-first, Tsuribakki can reappear wherever he likes, continuing his movement without losing momentum. While this kind of headbutt can be enough to smash through city blocks with just one pass through the chains, he can make it far more powerful by continuing on a progressive loop that increases his speed exponentially. Once terminal velocity is reached--with the additional backing of his spiritual energy and leg strength--the flying headbutt can become so powerful that it can cut a canyon into a mountain-range, severely altering the terrain of wherever the prayer is used. While the indestructible surface of his iron maiden shell protects his torso and head from the damage of impact, Tsuribakki must be careful not to let his legs become injured during the technique; despite his strength and durability, the simple force of such a collision could snap his leg in half like a twig.
Shin no Kenshin no Inori: Danketsu (Prayer of Whole-Hearted Devotion: Unity): The ultimate prayer that truly combines the personalities of Tsuribakki and his Zanpakutō, the Shin no Kenshin no Inori: Danketsu cannot be used in either Soul Society or the Human world by the orders of the Spirit King itself, making it the only ability in the history of the Shinigami to warrant such an extreme mandate. By channeling a massive amount of his Reiatsu--a drain that would kill most Captain-class Shinigami--into the chains that surround his Bankai form, Tsuribakki can cause a large portion of them to swell and rise into the sky like a mountain. This incredibly imposing foreshadowing can take up a diameter of nearly two miles and a height four times as large, but the eeriness comes from the calm serenity of the chains, which seem to hum as they cease their assault on their surroundings. The features of an eagle appear within the pile as if Chūsei's spirit itself were trying to burst free into the physical world, which is not too far from the truth--this technique is the ultimate culmination of its abilities. With the opening of its chain beak and a fierce shriek that can split apart the skies, the giant eagle lets loose a cataclysmic beam of white energy in whatever direction Tsuribakki mentally communicates. This two hundred foot wide stream of energy can pierce through the Earth from end to end or blast a hole through the core of the Moon, easily causing extinction-level events or killing whatever happens to be in its way. So powerful is this attack that the Captain-Commander only learned of it within the past century, and to use it means to bring devastation not only to a realm, but to himself, as the energy taken to perform it is more than even he can handle without serious injury.