Ν-No.13-

"Hahahahaha! Ragnaaaaa! Ragna! Ragna! It's impossible, Ragna! Nothing will change! You can't change anything! Hahahahahaha!"

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ν-No.13- Nu-13
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Name	Nu-13
Birthday	December 31
Voice Actors	Kanako Kondo (Japanese) Christina Vee (English)
Blood Type	Unknown
Height	155cm
Weight	45kg
Hair Color	White
Eye Color	Red
Drive	Sword Summoner
Birthplace	13th Hierarchical City of Kagutsuchi
Likes	Ragna
Hobbies	Thinking about Ragna
Affiliation	Novus Orbis Librarium
Character Titles
Sword of Hades (冥王の剣)
Character Themes
Awakening the Chaos, II, LA, Anōthen Blue (JP)
Appearances
Games
BlazBlue: Calamity Trigger (playable) BlazBlue: Continuum Shift (playable as Unlimited Lambda-11) BlazBlue: Continuum Shift II (playable as Unlimited Lambda-11) BlazBlue: Continuum Shift Extend (playable as Unlimited Lambda-11) BlazBlue: Chrono Phantasma (playable) BlazBlue: Chrono Phantasma Extend (playable) BlazBlue: Central Fiction (playable) BlazBlue: Cross Tag Battle (playable)
Manga
BlazBlue BlazBlue: Chimelical Complex
Novels
BlazBlue: Phase Shift 4 BlazBlue: Calamity Trigger - Part 1 BlazBlue: Calamity Trigger - Part 2 BlazBlue: Continuum Shift - Part 2
Short Stories
an evil sign
Drama CDs
BlazBlue: The Wheel of Fortune

ν-No.13-, more commonly abbreviated as Nu-13, and also known as the Sword of Hades, is a Boundary Interface Prime Field Device who is modelled after Saya and lusted after Ragna the Bloodedge, hoping to fuse with him to become the Black Beast.

Nu first appeared in BlazBlue: Calamity Trigger, and was absent for BlazBlue: Continuum Shift only appearing as Lambda's Unlimited Form. She reappeared in BlazBlue: Chrono Phantasma and onward.

Appearance

Nu-13 is a fragile, thin, girl with pale skin, large, sunken red eyes, and gray hair. Most of her hair is worn in a very long ponytail, the end of which is attached to a sword-shaped metal object. On her face is a seithr regulator, which she wears as part of an eye patch. The symbol for a Prime Field Device is tattooed between her collarbones.

When in standby mode, Nu's clothing is a simple light blue one-piece jumpsuit with short leggings and long sleeves which wrap around her middle fingers in a way similar to bridal gloves. There are metal harnesses on her jumpsuit on the nape of her neck and under her breasts. Over this, she wears a white and blue cloak with various rings attached to it. These rings are adorned by red talismans with various symbols on them. The cloak has a huge collar, held upright by a metal piece imprinted with Nu's Prime Field Device symbol.

Nu's battle gear is very similar to that of a mecha. Her face is covered by a visor with horn-like antennae and a single, glowing red eye. Over her jumpsuit, she wears a harness which is attached to a blue jewel and to her shoulder guards. These shoulder guards are blue and white, with a gray part on the nape of her neck, and there are two seithr regulators on the back of each shoulder. The shoulder guards are attached to her arm guards, which have small blades similar to her swords mounted on them. Her battle gear's most distinctive feature is the plate armor covering her legs. These armored leggings are mounted with blades that serve as weapons for her. Nu's hips, upper arms, and armored leggings have glowing green lights on them.

Nu is able to telekinetically control eight swords, which she uses as weapons in addition to the blades on her legs and forearms. These swords often float behind her in a pattern similar to wings.

While in her battle gear, there is a small black marking in the shape of a sword on Nu's jumpsuit.

Personality

Although she judges situations mechanically, she will occasionally show moments of intense emotion. She has the highest-priority objective to "be together with Ragna" and towards Ragna alone will act girlishly.

To almost everyone, Nu is cold, mechanical, and apathetic. She is solely focused on her mission to fuse with Ragna, and will not allow anyone to come between her and that objective. When away from Ragna, Nu's speech pattern is robotic, using complicated and professional language, and vocally exclaiming when she is loading or commencing the extermination of a target. Like this, she will often analysis her opponents and assign them warnings, coldly assessing their strengths from a glance.

But to Ragna, everything changes. When around him, Nu is filled with emotion, lusting after him and breaking her mechanical language. She will vocally call out to him with sexual innuendo, taunt him about his darker feelings, and threaten to kill him, all while baring a smile filled with glee. It appears her feelings of "love" towards him are genuine, but love to Nu is simply fusing with Ragna to become the Black Beast - nothing more or less. She won't allow anyone else to touch him, she only wants the Grim Reaper to herself, and as far as she is concerned, everyone else is an obstacle in the way of her happiness.

Eventually, Nu's mechanical expressions faded away, and she is nearly always filled with intense emotions, particularly on killing others and seeking Ragna. She went insane from not being with him, and would do quite literally anything to become one with him. She would even defy the orders of those who command her, being derogatory and showing a sharp tongue to anyone who isn't her love.

Nu has no hobbies, bar thinking about Ragna. Nu is part of the yandere trope of characters that appear in Japanese media.

Powers & Techniques

As a Boundary Interface Prime Field Device, Nu is completely immune to the effects of seithr and can freely roam the Boundary with no consequences. Since she is one of her species that is modelled after Saya, she has incredible Ars Magus aptitude, merited by her ability to use the Lux Sanctus: Murakumo. When activated, Nu has its bladed armor and floating eight blades at her disposal, and she excels in masterfully using them against her opponents.

An ability that Nu excels in using is deploying her Petals, floating black spaces that deploy a myriad of blades; in gameplay, this is her Drive, Sword Summoner. There are no limits to the black blades she can produce with this ability, some of them ranging from typical swords to blades that run along the ground, catching at her opponent's feet. Even without this ability, Nu is blindingly fast and strong, capable of various acrobatics and blows strong enough to knock opponents meters into the air.

Nu has a life-link with Ragna - this means that neither can die unless they both die in a similar time frame; because of this, both are unconventionally immortal. Even without her life-link, Nu is extraordinarily difficult to kill, being able to regenerate her damaged body at inhuman speeds. Even when she is damaged or in pain, Nu's will to fight through to kill her opponents means that she is unstoppable. Even the Arcus Diabolus: Bolverk has not enough stopping power in its charges to stop Nu from hunting her enemies.

As this prime field's mentality has begun to unwind, she has become more vicious and willing to destroy. She is far easier to annoy and her quickness to anger in her pursuit of Ragna is a weakness that is easy for strong opponents to exploit. After absorbing Take-Mikazuchi's core, Nu is a threat that only the strongest can eliminate - she can fight evenly against Jubei and Hakumen, two of the Six Heroes, but her deteriorating mental state makes her an easy target for individuals such as Yuuki Terumi.

Official Profiles

BlazBlue: Calamity Trigger Official Site Profile

A young girl who appeared from the "Cauldron" buried deep within Kagutsuchi. Nothing about her appearance suggests who she may be.

BlazBlue: Chrono Phantasma Official Site Profile

Nu-13, who resurrected by her own will in order to fuse with Ragna. Hazama calls her the "Sword of Hades." Rebuilt by Hazama, she once again stands before Ragna.

BlazBlue: Central Fiction Official Site Profile

Story

A young girl who appeared from the "Cauldron" buried deep within Kagutsuchi. She is a Boundary Interface Prime Field Device fitted with the Phenomenon Weapon "Lux Sanctus: Murakumo." She has appeared once again in order to fuse with Ragna, but things seem a little different from before.

Personality

Although she judges situations mechanically, she will occasionally show moments of intense emotion. She has the highest-priority objective to "be together with Ragna" and towards Ragna alone will act girlishly.

BlazBlue: Central Fiction Library Entry

ν-No.13-

A young girl who appeared from the cauldron buried deep within Kagutsuchi.

She is one of the three sacred units, the Murakumo Unit. She is both the last Nox Nyctores, and the core of a Black Beast. Her actions and personality is machine-like and because of Saya's soul, she shows emotion while in the proximity of Ragna.

She's also a fragment of the Black Beast's shell, which houses Ragna, and by fusing with him, they become the Black Beast that brought terror to the world. She's also known as the 13th Prime Field Deice, or the Blade of Hades.

Although she fell into the cauldron once, she was revived as Lambda, after being retrieved by Kokonoe.

Now she roams as the Blade of Hades, in hopes that she might fuse with Ragna once more. All according to Hazama's plan…

Fusing with Noel, Nu gains the power of the Successor to the Azure, bringing down the Amaterasu Unit to the realm of mortals.

Sword of Hades

Hazama refers to Nu by this name as she's being smelted in her Cauldron, at the end of the story of ‘Continuum Shift.'

BlazBlue: Cross Tag Battle Official Site Profile

A young girl born from a giant apparatus known as the Cauldron. She makes decisions in a mechanical manner, yet sometimes shows moments of intense emotion.

Quick yet long-range projectiles can be called out with one button by this shooting character. Take control of the screen, and overwhelm the opponent without letting them get close!

Trivia

• In an interview with series creator Toshimichi Mori in the BlazBlue: Central Fiction Official Setting Material Collection, he stated that he did not originally wish to resurrect either Nu nor Lambda, but only did so because of the nature of fighting games.