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The Knight Brace (ナイトブレス Naito Buresu) is Ultraman Hikari's transformation item and personal weapon. It is also used by Ultraman Mebius in two of his forms - Mebius Brave and Mebius Phoenix Brave - as a side weapon.


The creation of Ultraman King, the brace was given to Ultraman Hikari who came searching for the legendary giant for power. Hikari wanted to become stronger to stop the prophecy of Tsurugi which foretold the destruction of Arb, something he wished to stop. Given the Knight Brace, Hikari wielded it as Hunter Knight Tsurugi. After being freed of the armor of vengeance by his resurrection at the hands of Mother of Ultra, Hikari fought with Mebius to protect Earth. In time he left, leaving the brace to Mebius. In his pursuit of Alien Babarue, he returned to Earth after the galactic trickster and Mebius returned the device to him.


  • Transformation: Serizawa or Ryu draws the blade and sheaths it again and light shines from the stone to transform him.
  • Knight Blade (ナイトブレード Naito Burēdo): Using the blade of the Knight Brace, Serizawa can cut through ordinary materials with impunity and fire arcs of energy.
  • Merge: The Knight and Mebius Brace can combine together and form Mebius Phoenix Brave.

  • Knight Shoot (ナイトシュート Naito Shūto): Hikari can shoot powerful light beams from his hand. It is created using the Knight brace and fired like the Spacium Beam but with his left arm behind the other upright arm. Hikari can use an uncharged version of said attack or he could simply place his other arm on the Knight Brace to use the attack, used on Aribunta and Ultraman Belial.
  • Knight Beam Blade (ナイトビームブレード Naito Bīmu Burēdo): Hikari can summon the Knight Beam Blade from his Knight Brace. It is shown to be more powerful than the Mebium Blade when Hikari (as Hunter Knight Tsurugi) shattered it by force.
    • Blade Shot (ブレードショット Burēdo Shotto): Hikari can charge up the Knight Beam Blade and swing it, firing an energy beam that can destroy a monster.
  • Merge: The Knight and Mebius Brace can combine together and form Mebius Phoenix Brave.

  • Form Change Via Knight Brace: When given to Mebius, the Knight Brace can allow Mebius to take on his Mebius Brave form.

Knight Mebius Brace

  • Mebium Knight Blade (メビュームナイトブレード Mebyūmu Naito Burēdo): An enhanced version of the Mebium Blade that bears characteristics of the Knight Beam Blade.
    • Variable Blade Size: Mebius can create, from the Knight Mebius Brace on his left hand, a large yellow blade, even larger than the normal Mebium Knight Blade. This can extend to longer sizes.
      • Blade Overload (ブレードオーバーロード Burēdo Ōbārōdo): Using an already extended Mebium Knight Blade, Mebius can slice enemy easily from a far distance. It can also destroy monsters in one hit.
    • Blade Defense: The Mebium Knight Blade is stronger than its normal form, making it better at countering energy attacks.
    • Blade Slash (ブレードスラッシュ Burēdo Surasshu): Mebius can charge the Mebium Knight Blade with energy, and by swinging it, he can emit a half moon shape slash ray from the sword.
    • Blade Shoot (ブレードシュート Burēdo Shūto): Mebius can charge the Mebium Knight Blade's power to release a powerful blade beam. Can destroy a monster in one hit.
    • Acti-Blade Attack (アクティブレードアタック Akutiburēdo Atakku): Mebius rushes towards his enemy then quickly executes a cross slash that will form an 8-shaped symbol, the energy surges into the enemy destroying them.
    • Passi-Blade Attack (パッシブレードアタック Passhiburēdo Atakku): A defensive technique to reflect the enemy's attacks.
    • Mebium Knight Blade Attack (メビュームナイトブレードアタック Mebyūmu Naito Burēdo Atakku): Mebius swings his blade in the air in the shape of his symbol. The image became a construct and with another swing is sent flying towards the enemy cutting the symbol into them and causing them to explode.
    • Spin Blade Attack (スピンブレードアタック Supin Burēdo Atakku): Mebius can spins himself, before cut his opponent with the Mebium Knight Blade. Any beam attack will simply reflect, when Mebius spins himself. It is first used in episode 19 to defeat Daigarugu.

  • Mebium-Knight Shoot (メビュームナイトシュート Mebyūmu Naito Shūto): Mebius can fire a '+' style beam that combines the power of both Mebium and Knight Shoot. Mebius can lower his arms to fire a 'L' style version which is more powerful. Mebius can immediately use the 'L' style version of the beam after charging, used against Armored Darkness. In Ultraman Fusion Fight!, Mebius starts the technique by firing the '+' version, damaging the opponent, before lowering his left hand into the 'L' version to finish them off.
  • Mebium Phoenix (メビュームフェニックス Mebyūmu Fenikkusu): Mebius' final attack in Mebius Phoenix Brave where he performs an extremely powerful version of the Mebium Dynamite, then flies straight towards the opponent acting as a human bullet. Powerful enough to fatally wound even Alien Empera.
  • Mebium Twin Sword (メビュームツインソード Mebyūmu Tsuin Sōdo): Mebius is able to create twin blades from both the Mebius Brace and Knight Brace. This is only appeared in the arcade game Mega Monster Battle RR, the successor of Mega Monster Battle ULTRA MONSTERS.

  • Mysterious Powers: The Knight Brace can allow the user to predict things due to being Ultraman King's creation. It was used to allow Ryu to know Mirai is alive.



  • The Knight Brace is themed on a sword scabbard.
  • In Hikari Saga 3, Hikari was able to utilize the Knight Shoot without the Knight Brace when wearing the Arb Gear, meaning the armor acted as a placeholder for the said attack.
Transformation Items
Showa Items Beta Capsule | Ultra Eye | Willpower | Ultra Rings | Ultra Badge | Leo Ring | Beam Flasher | Bright Stick | Bright Bracelet
Heisei Items Delta Plasma | Willpower | Beta Capsule/Flash Prism | Estrellar | Pikari Brush | Sparklence | Lieflasher | Esplender | Agulater | Nice Dreamer | Cosmo Pluck | Just Lancer | Evoltruster | Darkevolver | Max Spark | Mebius Brace | Knight Brace | Ultra Zero Eye | Saga Brace | Ginga Spark | Dark Spark | Dark Dummy Spark | Gunpad | Ginga Light Spark | Livepad | Victory Lancer | Chibull Spark | Ultra Fusion Brace | X Devizer | Orb Ring | Orb Calibur | Riser | Ultra Zero Eye NEO | Giga Finalizer | Gyro | Orb Ring NEO
Reiwa Items Taiga Spark | Tregear Eye | Taiga Tri Blade | New Generation Eye | Z Riser | GUTS Sparklence | Ultra D Flasher
Other Media Items Zoffy Bracelet | Jack Bracelet | Gorian Belt | Zaji Sword | Drew Bracelet | Flare Coin | Alphone Pendant | Ars Ring | Mimicry System | Ultra Operation
Ultra Weapons
Sluggers Eye Slugger | Vezard | Maxium Sword | Zero Sluggers | Xlugger | Geed Slugger | R/B Slugger
Bracers and Bracelets Ultra Bracelet | Ultra Converter | King Bracelet | Stratos Edge | Armed Nexus | Armed Mephisto | Max Spark | Max Galaxy | Mebius Brace | Knight Brace | Ultra Zero Bracelet | Strium Brace | Ultra Fusion Brace | Taiga Spark | Plasma Zero-let
Melee Ace Blade | Ultimate Blade | Leo Nunchaku | Giga Battlenizer | Ginga Spark Lance | Knight Timbre | Orb Slugger Lance | Orb Calibur | Orb Slasher | Geed Claw | King Sword | Giga Finalizer | Orb Dark Calibur | Orb Ring NEO | R/B Kourin | Taiga Tri Blade | Z Riser | Z Lance Arrow | Beliarok | Circle Arms | Glitter Blade | Ultra Dual Sword
Armors Protectors | Cosmo Tector | Grantector | Arb Gear | Tector Gear | Ultimate Aegis | Zero Slugger Gear | Cyber Armor
Others Ultra Array | Ultra Magic Ray | Ultra Mantle | Ultlance