Resurrección

returns the essence of an Arrancar's offensive Hollow abilities to their humanoid bodies.

Overview
Arrancar usually seal the nuclei of their abilities within the form of a sword, which is entirely different from what the Shinigami use. When they release their weapons' seals, they unleash their true power and their true form. The Zanpakutō doesn't need to be fully drawn out from the sheath to activate Resurrección. When Resurrección is completed, the Arrancar's prior injuries are healed. The only time they can return to their humanoid form is when they reseal their powers in sword form. Changing their form without resealing their powers in a sword is the same as burning off an arm, and if they were to discard part of their released form, while in it, they can never return to normal again. When deactivated due to the user being too injured to sustain it any longer, however, the Resurrección form simply dissipates as the user's Zanpakutō rematerializes, akin to a Shinigami and their Bankai. Upon losing consciousness, Resurrección is deactivated and the Zanpakutō is reconstituted. If the Zanpakutō is broken, Resurrección cannot be activated.

Most known Resurrección give the Arrancar user an animal-like appearance, but this is not always the case. While most unreleased Shinigami Zanpakutō take the form of a katana or wakizashi, there is a significantly broader range for Arrancar. Typical examples include a wide variety of melee weapons as sai, axes, or uniquely shaped weapons such as Nnoitra Gilga's double-crescent scythe-esque Zanpakutō. More exotic sealed states include organic appendages such as Aaroniero Arruruerie's Zanpakutō, or even an entire, sentient being such as Lilynette Gingerbuck being the Zanpakutō of Coyote Starrk.

An Arrancar's release drastically increases the combat viability and power of the Arrancar in question, and allows them full access to all of their abilities. The post-release form usually reflects to varying degrees what the Arrancar looked like as a pure Hollow. A Resurrección restores an Arrancar to its "true" form, resulting in significantly various increases in speed, strength, stamina, durability and spiritual power, as well as allowing access to both more powerful variations of previous techniques and completely new abilities. Some Arrancar even gain new weapons as a part of their released form. An Arrancar's Resurrección completely reverts their Reiatsu from that of an Arrancar to that of a Hollow.

Kisuke Urahara and Mayuri Kurotsuchi liken an Arrancar's Resurrección to a Shinigami's Bankai, as they both are manifestations of the respective individual's increase of power, and cannot be repaired if damaged while in full release. The difference is that since a Hollow's power is equivalent to poison for a Quincy, they cannot medalize a Resurrección the same way they can a Bankai.

Partial Transformation
Arrancar can partially transform their bodies without fully releasing their Zanpakutō. Grimmjow Jaegerjaquez transforms his hands into claws while pursuing Askin Nakk Le Vaar.

Resurrección: Segunda Etapa
Ulquiorra Cifer, the 4th Espada, has demonstrated the ability to attain a second form of Resurrección called. Among the Espada, he is the only member capable of the transformation.

Uryū Ishida notes that Ulquiorra's Reiatsu in his second release is fundamentally different than anything else he had felt before, not just in strength or size but in sensation.

Hōgyoku Resurreccións
Bleach: Brave Souls features alternate universe versions of the Espada who have fused themselves with the Hōgyoku, causing them to attain transcended versions of their Resurreccións which resemble their standard released forms while incorporating the Hōgyoku and adding further onto their animal motifs; these forms are described as being.

Trivia

 * Despite not being an Arrancar, Kaname Tōsen has a Resurrección obtained through Hollowfication.

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Ресуррексион