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Blue Knight (ブルー・ナイト, Burū Naito) is a level 9 Burst Linker and leader of the Blue Legion, Leonids. He is also one of the Originators, the first generation of Burst Linkers.


Haruyuki described him as a rather calm person. However, it was stated that when Black Lotus beheaded Red Rider he was the angriest among the kings that there is a rumor that he even destroyed the ground. Also, in Infinite∞Burst, he appeared to be rather prideful, though not exactly arrogant.

Blue Knight has a code of honor in that he does not use any of his special moves of incarnation skills before his opponent does.


Blue Knight is one of the Originators, who received Brain Burst directly from the creator. Over the years he gained quite the reputation, with him earning nicknames like: "Vanquish" and "Legend Slayer". He also used the unlimited amount of Brain Burst copies that came with being an Originator to take two children, Manganese Blade and Cobalt Blade, who would go on to be his trusted lieutenants.

Plot Outline[]

Return of the Black Snow Princess (Side Story)[]

He appears briefly when Cyan Pile decides to leave the blue legion and join Nega Nebulus, instead of using the Judgement Blow on him, he decides to spare his life for unknown reasons.

Sacred Fire Shrine Maiden & Carbide Wolf[]

In Volume 6 and 11, he features as the one to host all The Six Kings of Pure Colour Conferences via his two Lieutenants, Cobalt Blade and Manganese Blade. Furthermore, he later becomes the "Judge" who determines whether a bounty will be put on Silver Crow or not after he becomes infected with The Disaster and is given a time limit of one week to purify himself of it


Blue Knight[]

Simply put, Blue Knight is, as his name describes him as, a knight. His avatar is predominately colored in various shades of blue, with a few yellow crystals on certain spots of his armor. He also has a helmet with curved horns and an equally blue cape, completing his appearance as a head knight of sorts.

Blue Knight's abilities are top notch close combat abilities, with immense skills in swordsmanship. His strength is also further proven in his level 9 Blue Coloured Duel Avatar and his titles such as "Vanquish" and "Legend Slayer".

He is respected enough to be chosen as the one to judge whether or not Silver Crow should be uninstalled after he equips the «Disaster Armor».

Enhanced Armaments[]

  • The Impulse – The first of the Seven Arcs, represented by Alpha Ursae Majoris, also known as Dubhe. It takes the form of a greatsword.


  • Pain Killer[1] – It is unknown what this ability does, but it likely allows him to ignore pain.
  • Limit Surpass[1] – It is unknown what this ability does, but it likely allows him to enhance his attacks past their limit.
  • Judgement Blow – As the Legion Master of the Blue Legion, Blue Knight can use the Judgement Blow, an ability given to all Legion Masters that allows them to instantly uninstall Brain Burst from one of their legion members.



  • Blue Knight (ブルー・ナイト, Burū Naito)
  • Blue King (青の王, Ao no Ō)
  • Vanquish (剣聖(ヴァンキッシュ), Kensei (Vankisshu))
  • Legend Slayer (神獣殺し(レジェンドスレイヤー), Kamikemono-goroshi (Rejendo Sureiyā))
  • The Impulse (ジ・インパルス, Ji Inparusu)
  • Pain Killer (痛覚遮断(ペイン・キラー), Tsūkaku Shadan (Pein Kirā))
  • Limit Surpass (無限駆動(リミット・サーパス), Mugen Kudō (Rimitto Sāpasu))
  • Judgement Blow (断罪の一撃(ジャッジメント・ブロー), Danzai no Ichigeki (Jajjimento Burō))
  • Infinite Style (無限流(ムゲンりゅう), Mugen Ryū)


  • Blue Knight has a rage gauge, which past a certain point has an "explosion status".[4]


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