Izquiar

Izquiar (イズキーアル, Izukiāru) is an  Natural (自在破面 (アランカル・ナチュラル), Arankaru Naturaru; Spanish for "To Tear Off Naturally", Japanese for "Freely Ripped Mask") born out of a. Like the majority of his species, Izquiar was underneath the rule of — and discriminated by — during his days as an. The announcement of his demotion lead him to defect from, diving into the depths of the to avoid the  and other pursuit forces.

Over the span of several months, numerous members of the had been sent to capture or kill Izquiar when encountered. However, despite the overwhelming numerical advantage they held, Izquiar butchered them all mercilessly, leaving only three of them in total. This was because, among Arrancar Natural, Izquiar stood out for individual ability as a result of his creation process. Izquiar's mask was ripped off in the heat of combat by another, thus leading the ensuing overflow of Chaos to exponentially enhance the "Soul Strengthening" (霊魂強化, Reikon Kyōka; literally "Soul Intensification") process and create a being that seemingly embodied the transcendent nature that Aizen searched for — albeit initially failed to recognize.

Due to their inability to sacrifice more troops as a result of the upcoming, Aizen stopped his pursuit of Izquiar and focused his attention towards the invading and his own invasion on. This development enabled Izquiar to freely move about in the Forest of Menos, feeding on excess numbers of Hollow in order to satiate his hunger and thirst for battle — although it hadn't yet been quenched. In fact, after the conclusion of the said war, Izquiar relentlessly confronted on multiple occasions, hoping to take his fill through her power.

The advance of the across  left Izquiar in glee, because he finally possessed true enemies worth his time. As such, he often targeted the military organization in a sequence of terrorist attacks, generally playing around with a number of the Jagdarmee or prior to retreating into the Forest of Menos again. Following the, Izquiar is a solitary ruler over the dimension with the death of and inactivity of  and. Being driven to a slow death by his boredom, Izquiar has since began to take individual action against other spiritual realms — such as. He openly engages in warfare and is considered to be an extreme threat to all spiritual realms he has encountered.