Rudbornn Chelute

, (sometimes romanized as Rudobone) is an Arrancar in Sōsuke Aizen's army, and the sole member and founder of the Exequias.

Appearence
Unlike most Arrancar, his face is hidden. He is distinguished from the other Exequias with his bull-shaped skull, instead of the typical human-shaped skulls his subordinates wear.

History
He seems to know Dordonii Alessandro Del Socacchio. It is unknown when Rudobōn joined Aizen's army, but he implied that his powers were given to him by Aizen, meaning they have some history.

Personality
Rudobōn seems rather calm and rational, as shown when he chose not to attack Retsu Unohana and Isane Kotetsu when they arrived in Hueco Mundo. During his fight with Rukia, he shows a more arrogant side by telling Rukia that his power was like that of a god.

Hueco Mundo arc
He and his subordinates clean up after each battle, collecting data before killing any survivors. It is implied they killed Dordonii off-screen for failing to win against his opponent under someone's orders. This was also the case with Cirucci Sanderwicci. In addition, they seem prepared to do the same with Yasutora Sado and Gantenbainne Mosqueda before being approached by Retsu Unohana and Isane Kotetsu. Surprised by the arrival of a captain-level Shinigami, Rudobōn and the rest of the Exequias withdraw in order to avoid conflict.

Fake Karakura Town arc
He and the rest of the Exequias appear in front of Ichigo Kurosaki in order to prevent him from reaching Ulquiorra Cifer and Orihime Inoue. However, Ichigo's friends engage the Exequias in order to allow Ichigo safe passage. Rudobōn tells the Calaveras to not let themselves be distracted by this and makes his way to his target before being halted by Rukia Kuchiki, who catches his sword and hand in ice. Soon after, he is able to break the ice fairly easily. Later, it is shown that Rukia has defeated all of his underlings. Rudobōn then releases his Zanpakutō, Árbol. Rudobōn disregards Rukia's comment, saying she will soon learn that defeating his underlings will not bring her to victory.

As his fight with Rukia continues, he taunts her as she appears to struggle fighting against his numerous Calaveras. He then proceeds to lament at how despite his power, he could not make the level of an Espada, and that Rukia and her allies could never match them, for they are just "birds against a shield". The battle between them is momentarily halted, as Rudobōn notices that Ulquiorra has gone through the dome of Las Noches. Seeing this as an opening, Rukia then freezes his "branches" saying, "you should have never displayed that power in my presence". Before she can finish him, an angry and bigger Yammy Riyalgo attacks him, breaking a part of his mask in the process. His current fate is unknown.

Powers & Abilities
Expert Swordsmanship Specialist: Rudobōn is a proficient sword-wielder, able to cross swords with the likes of Ichigo for a short period.

Sonído: While the extent is unknown, Rudobōn has shown skill in Sonído, enough to suddenly appear without warning.

Enhanced Strength: Rudobōn has considerable strength, enough to break free from Rukia's ice without any visible effort.

High Spiritual Power: As an Arrancar, Rudobōn has a high amount of spiritual power. It was shown high enough for Dordonii to sense his presence from a considerable distance. His reiatsu is deep violet in color.

Zanpakutō
. In its sealed state it, looks like a standard Katana, albeit longer and thinner.
 * Resurrección: Its release command is . In his released state, the right side of Rudobōn's body becomes wrapped in branches reaching down to his waist, where they split off into roots that flare out on either of Rudobōn's sides. Four lightning bolt shaped branches grow out of the upper part of his right arm, with skulls similar to those worn by his subordinates hanging off of each one. He also carries a lightning bolt shaped stick or branch. He can grow six more of these branches (totaling ten) that spread to the other side of his body.


 * Resurrección Special Ability: From the skulls he can generate an unlimited amount of, his subordinates. He refers to this ability as "godlike" and mentions that it was given to him by Aizen.


 * The Calaveras can band together to create a wall with their bodies in order to protect Rudobōn from attack. This technique is powerful enough to stop Yasutora Sado's El Directo attack.

Exequias
The act as the execution division of Sōsuke Aizen's Arrancar army. Rudobōn is its only true member, with the rest of the group consisting of the Calaveras created by his Resurrección's special ability. The Exequias are responsible for terminating any rebels or intruders in Las Noches, hence their name. Like the Números, the Exequias are subordinate to the Espada, though the extent of the latter's control over them is unknown.

Trivia

 * In the anime, Sado and Renji also joined on Rukia's fight with Rudobōn and attempt to break through his defenses by combining all of their attacks, but they fail. Rudobōn was than about to show them his "ultimate technique", but was slowly frozen solid by Rukia's Juhaku technique and then was smashed to pieces of ice by a single punch from Yammy Riyalgo.

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