Race: Artificial human
Height: 155 cm
Weight: 45 kg
Lambda is an imitation Murakumo Unit created and controlled by Kokonoe by combining the body of the 11th experimental replica of Saya with the soul of Nu-13, recovered after falling into the Gates of Sheol during the conclusion of Calamity Trigger's Story Mode. Kokonoe completely erased her memory, and as a result, Lambda-11 is only interested in carrying out Kokonoe's orders. Her memories occasionally try to come back to her, however, causing her great pain, something Hazama takes full advantage of by merely mentioning Ragna the Bloodedge.
She was originally mentioned in the opening of Calamity Trigger's Story Mode as a failed experiment, and replaces Nu-13 in Continuum Shift's character roster. She becomes a member of Sector Seven with Kokonoe and Iron Tager after being fully restored, and is originally sent to provide backup for Tager. In BlazBlue: Continuum Shift, after fighting Ragna the Bloodedge in her Arcade Story, the yandere part of Nu tries to take over Lambda-11, since she is part of her. In the True Ending, Lambda, having fully regained Nu's memories, sacrifices herself to protect Ragna from a likely killing blow from Terumi. After confessing her love to Ragna one last time, she gives him the rest of her power and the Idea Engine, before her soul and body disintegrates. This allows Ragna to use his now completed Ars once again, which he uses to viciously attack and defeat Terumi, as well as break Noel Vermillion from her violent state as Mu-12, albeit at the cost of his left arm. At the end of the game, Kokonoe creates a new, artificial arm for Ragna using Lambda's regeneration tank.
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