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For the unit entry, see 21O.

Operator 21O (pronounced Operator two-one-oh) is an android communication operator permanently stationed in the Bunker. Her duties include sending directives to YoRHa soldiers on the field as well as information analysis.

Personality[]

Operator 21O, responsible for YoRHa No.9 Type S, is level-headed[3], cold, and impersonal. She shuns 9S's attempts at casual conversation and does not pay heed to his compliments of her. In terms of personality, she is a polar opposite to the much more outgoing Operator 6O.

Story[]

Pod Spoiler Alert Heads up! Important plot details for NieR:Automata may follow. Read at your own risk! Route(s)
B,C/D

Despite her cold exterior, 21O harbors a secret longing for a family. She first hints at this as 9S completes sidequests for her that involve searching for relics of the old world, where she responds to the findings with interest where the relics pertain to human familial behavior.

In the 9S's mission to disable Machine defenses at the start of the third game cycle, if 9S fully deactivate the air defense (by hacking the Goliath-class robot at the supermarket entrance), 21O will offer to 9S a gift that she put in her room.

After monitoring this mission, 21O is not heard from again until much later, when 9S infiltrates the God Box resource station. There, it is revealed that 21O voluntarily converted into a B unit, becoming 21B for the YoRHa mass assault that was thwarted by the logic virus outbreak. Infected by the virus herself, 21O struggles as she fights 9S, pleading that she just wanted to be part of a family, hinted at in her previous quests, and then for 9S to kill her.

21O is killed when A2 appears from behind and runs her through. Though A2 manages to grant 21O's wish to die and saves 9S, the event only furthers 9S's mental breakdown.

NieR:Automata Ver1.1a[]

In NieR:Automata Ver1.1a, 21O is also converted into a B unit with the callsign 21B. Unlike the game however, 21O merges the network with the other infected YoRHa units and almost kills 9S before he ventures to the Meat Box. With little consciousness left, 21O impales herself with the standard issue YoRHa blade to shutdown the network, finally praises 9S, and transfers the data about the Tower onto him before drawing her final breath, which only furthers 9S's mental breakdown.

Other Appearances[]

Final Fantasy Brave Exvius[]

Unit-21O

21O, 2B, and 9S appeared under the crossover banner "Destroy the Machine Lifeform," and in the game's Global version, A2 and Eve were also added.

Trivia[]

According to Nier: Automata Guide Book, 21O's dimensions are B: 82cm; W: 57cm; H: 83cm. Her height is 167cm (including heels). Her weight is 145.5kg.

Media[]

Other

References[]

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