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Not to be confused with "Kohaku", a protagonist in the Gunvolt Chronicles series.


Kohaku Otori, aka Unity-chan, is the 1st crossover DLC boss in Luminous Avenger iX 2, appearing as part of a collaboration between iX2 and the game COGEN: Sword of Rewind. Her battle is available as both downloadable content for $7.99 / €6.99 / 800 Yen, and is installed in all physical versions of iX2 by default. In COGEN, Copen appears as a DLC playable character.

Kohaku is the main protagonist and playable character of the game COGEN: Sword of Rewind by Gemdrops. A young girl who fights with her sentient, time-reversing sword "ExeBreaker".

Defeating her grants the Ouroboros System iX subroutine, which when equipped makes Copen's EX Weapon Cryo-Flash no longer consume weapon energy or inflict steady damage.

Kohaku is the only iX2 DLC boss without encounter dialogue.

Website Description[]

  • English site
  • Japanese site

Also known as the famous Unity-chan. Coming from the world of "COGEN: Sword of Rewind," she has been sucked into the world of "Luminous Avenger iX 2." She's equipped with her trusty sword the "Exebreaker" and its "Ouroboros System" that allows her to rewind time.[2]

ご存じみんなのユニティちゃん。「COGEN:大鳥こはくと刻の剣」の世界から、「白き鋼鉄のX2」の世界に迷い込んできた。相棒の剣“エグゼブレイカー”が有する“ウロボロスシステム”は、時間を巻き戻すことができる。[3]

Boss Battle Skills[]

Skill Description
Kohaku O Counter
Counter[2]
カウンター[3]
Her sword is capable of reflecting projectiles such as lock-on wheels. Recoil Dashing will break her guard and send Exebreaker flying into the air.
Kohaku O Dash Cut
Dash Cut[2]
ダッシュ斬り[3]
A standard dashing attack.
Kohaku O Slash Wave
Slash Wave[2]
斬撃波[3]
A series of three progressively larger sword beams launched in Copen's direction. In phase 2 onward she will launch four slashes.
Kohaku O Spin Slash
Spin Slash[2]
回転斬り[3]
A powerful upward swinging attack. Getting caught by it will result in chain damage as Copen rises with the spin blade and is eventually sent flying into a wall, dealing additional damage. In Hard Mode, she will send waves from the sword as she ascends.
Kohaku O Destruction Wave
Destruction Wave[2]
地壊衝撃波[3]
Kohaku performs a dashing thrust across the arena to one end, then jumps up and smashes the ground, sending out a large energy wave and debris.
Kohaku O Iai Flash
Iai Flash[2]
居合連閃[3]
A speedy attack as Kohaku draws her blade. After the slash, an energy flash will follow Copen. In Hard Mode, she will slam ExeBreaker into the ground at the end and all energy flashes will appear.
Kohaku O Ouroboros System
Ouroboros System
ウロボロスシステム
Her SP Skill. Upon Kohaku's death, ExeBreaker activates and saves her by rewinding time to the start of phase 3 of the battle. All kudos accumulated after that point and any damage Copen himself took are also reset. The only way to counter this is to defeat Kohaku while she's not holding Exebreaker i.e. Recoil Dash into her Counter stance and defeat her in the brief window of vulnerability.

Boss Battle Voices[]

Event Translated Romaji Japanese
Counter It won’t work! Kikanai yo! 効かないよ!
Slash Wave Cut! Once more!
(4th) There!
Kiru! Mou ikkai!
Soko da!
切る!もう一回!
そこだ!
Spin Slash Chance! Let’s go! Suki ari! Iku yo! 隙あり!行くよ!
Destruction Wave Thrust!
Take this!
Totsugeki!
Kore de!
突撃!
これで!
Iai Flash Can you keep track? Mikireru kana? 見切れるかな?
1st Phase Down You’re pretty good! Naka naka yarune 中々やるね
2nd Phase Down I won’t lose! I'm just getting started! Makenai! Kokokara da! 負けない!ここからだ!
Ouroboros System I won’t give up!
*Ouroboros System: Activate
Akiramenai!
Uroborosu shisutemu kidou
諦めない!
ウロボロスシステム起動

*This line is spoken by ExeBreaker instead of Kohaku herself.

Trailer[]

Kohaku Otori DLC trailer

Musical Themes[]

As the Kohaku Otori battle theme remix was not released in the iX 2 OST, full data is unknown. The listed title and composer are based on the original track in the COGEN OST.

(C) = Composer
(A) = Arranger

Title Context Musicians Audio
boss VS Kohaku Otori. Remix of COGEN: Sword of Rewind boss theme. Motoi Sakuraba (C)
Ippo Yamada (A)[4]

Source: COGEN: Sword of Rewind Soundtrack product page

Trivia[]

[Note that adding spoilers for COGEN: Sword of Rewind is not permitted.]

  • The collaboration with COGEN: Sword of Rewind was originally meant to be with Azure Striker Gunvolt 3 due to both Kohaku and Kirin being sword wielding heroines, but the plans ran into trouble and the collab was changed to be with iX2 instead due to Gunvolt 3 being delayed. Additionally, Kohaku Otori and iX Kohaku sharing names caused Gemdrops to originally ask to use Kohaku for their end of the collab, but afterwards they felt it wasn't right and began working on Copen instead.[4]
  • Kohaku Otori is the first boss in the series whose only SP skill is not used when she reaches phase 3.
  • Kohaku's Iai Flash move in Luminous Avenger iX 2 is inherited from her father Yuji Otori in COGEN: Sword of Rewind.
  • Kohaku Otori is the only Japanese-speaking DLC boss in iX2 without an English voice actor.
    • She is also one of the two bosses to not have dialogue at the start of the fight; the other is The Creator.

External Links[]

References[]

Luminous Avenger iX 2 Navigation[]

Luminous Avenger iX 2
Main Pages Game PageGallerySoundtrack (RoRo Robotics Vox)CreditsStory Scripts
Team Copen CopenLolaKohakuNull
Boss Characters YpsilonDaciteVespaAutochromeBrigadeHailAceThe CreatorMother Computer
Other Characters BladeJinMariaKyotaMedium BossesCommon Enemies
DLC Boss Characters Kohaku OtoriYang YumoJason FrudnickKuronaKirin
Missions Pillar OutskirtsVolcano BlockJungle BlockPassage to Upper StratumLaboratory BlockIndustrial BlockArctic BlockSpace BlockPassage to Top FloorEntrance to Top FloorHanging GardensHanging Gardens 2Versus Missions and Boss Rush
Songs Command PromptPurificationLove's SanctuaryReady to Go!Curiosity = Possibility!You're Not AloneWordplay MagicThe New World
Story Elements WorkersGrave Pillar
Gameplay Mechanics Score and KudosCopen's EX WeaponsAbilitiesSkills
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