Welcome to Hueco Mundo, Ben Tennyson is the first chapter of Bleach: Ultimate Alien Volume I.
Ben Tennyson inexplicably finds himself in the middle of a huge desert. After looking around, he sees a large palace-like structure. He turns into Jetray and flies toward the structure, but is confronted by a large sand beast called Runuganga. After a brief fight, Ben defeats Runuganga using Water Hazard and enters the palace.
In a dark room, an ominous, unseen group discusses the arrival of an intruder. A calm, sophisticated voice, calling the others his "dear Espada", explains that the intruder is a human, much to the surprise of the others. Ben uses Cannonbolt to break through several walls until he is confronted by a strange man who introduces himself as Dordoni Alessandro Del Socaccio and attacks him. Ben transforms into Fourarms in response, but seeing how he couldn't match with Dordoni's speed, he then switches to Jetray. During the fight, the man explains that the building is called Las Noches, run by a man he calls Aizen-dono. Ultimately, Ben defeats Dordoni using Humungousaur. After defeating Dordoni, Ben turns to leave, but is suddenly knocked unconscious by an unseen figure.
Ben wakes up in a large throne room and sees a brown-haired man, who introduces himself as Sosuke Aizen. After exchanging a few words, Aizen sends a large man named Yammy Llargo to interrogate Ben. Ben quickly transforms into Humungousaur, surprising everyone in the room, and attacks a shocked Yammy. Seething, Yammy begins releasing a barrage of energy waves called Bala, and Ben transforms into Ultimate Humungousaur in retaliation and the tide of the battle again shifts in his favor. Enraged, Yammy begins to take out a sword, his Zanpakuto, but Aizen abruptly stops the fight.
Impressed by Ben's powers, Aizen gives him a suspicious story about how he and is comrades are crusading against a corrupt group of beings called Shinigami, and he asks Ben to join him, to which Ben agrees. Aizen then welcomes Ben to Hueco Mundo.
- Ben Tennyson
- Dordoni Alessandro Del Socaccio
- Sosuke Aizen
- Gin Ichimaru
- Kaname Tosen
- Yammy Llargo
- Jetray x2 (story debut)
- Water Hazard (story debut)
- Cannonbolt (story debut)
- Four Arms (story debut)
- Humungousaur x3 (story debut); third time goes ultimate
- Ultimate Humungousaur (story debut)
- This is the first time Ben fights an Espada.
- This is the first time Ben fights an Arrancar.
- This is the first time a Resurreccion is used.
- The identity of the person who knocked Ben unconscious after he defeated Dordoni has yet to be revealed (Bigby the Big Bad Wolf has stated that this is intentional), though later on, it is revealed to be Professor Paradox.
- This is the only chapter to have its title used in the content; specifically, it is the chapter's closing sentence.
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"Meet the Espada"