Kensei sword

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Kensei sword
Hiro sword.jpg
After a long journey, Hiro acquires the sword.

First mentioned: Collision
Owned by: Swordsmith,
Takezo Kensei,
Hiro Nakamura,
Daniel Linderman,
Kaito Nakamura,
Ando Masahashi,
Hachiro Otomo,
Miko Otomo
Current status: in Miko's possession
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Hiro Nakamura sought and obtained the Kensei sword believing it to hold the key to focusing his ability. The sword appears to be a Japanese katana in style. On its hilt is the Symbol.


Season One

For an episode-by-episode summary, see Kensei sword: Season One History.

Season Two

For an episode-by-episode summary, see Kensei sword: Season Two History.

The Second Coming

In the future, Hiro swings the sword at Ando, but Ando blasts Hiro, apparently killing him.

The Butterfly Effect

While sleeping in a taxi, Angela Petrelli has a dream in which she sees a number of heroes brutally murdered; one of them being Hiro killed by his own sword.


Sixteen years in the past, Kaito Nakamura discovers Hiro (both the older Hiro from 2007 and the ten-year-old Hiro from 1991) in his office in the Deveaux building, opening his safe to retrieve the formula. Kaito sends the younger Hiro out of the room, and then accuses the older Hiro of being a spy and a thief. He grabs the Kensei sword (or a replica of it) from a display rack, and attacks Hiro, who uses a breadstick to unsuccessfully defend himself. As Kaito goes for a final strike with the sword, Hiro is rescued by Ando and Daphne, leaving Kaito stunned.

Once Upon a Time in Texas

Present Hiro travels back in time to Midland, Texas on the day of Charlie's death to change events. After saving her from Sylar, Present Hiro approaches Past Hiro and tells him he is Future Hiro and Past Hiro has to go back in time six months to "save the waitress". Past Hiro accepts this but asks about the sword, aware that Future Hiro possesses it thanks to Peter Petrelli. Present Hiro claims he left it at home and convinces Past Hiro to go back in time.

Later, Present Hiro approaches Past Ando and tells him he's Future Hiro and Ando has to wait there at the diner for Past Hiro. Past Ando accepts this, but like Past Hiro asks about the sword. Present Hiro, exasperated tells him to "forget about the sword!" before convincing him to stay.


In his delusion after being given a chance to regain his honor, the Kensei sword appears in Hiro's hand. He encounters Adam Monroe wielding the same sword and the two sword fight. With encouragement from the real Ando, Hiro defeats his mental version of Adam and kills him by stabbing him with his sword.

Webisode:Dark Matters, Part 5

Quentin Frady creates a board that includes a picture of the Kensei sword from

Brave New World

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Under the Mask

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The Needs of the Many

Taylor Kravid finds the Kensei sword in its sheath in Renautas Headquarters. She picks it up and is about to draw it, but before she can, her mother enters the room.

The Lion's Den

Realizing the mob of Evernow players at Renautas is likely a distraction to allow Miko to recover the sword, Erica orders Harris to transport the sword to her home. Later, having followed Harris to Erica's house, Miko breaks through a window and recovers the sword.

Game Over

Miko discovers that the sword is the key to Hiro Nakamura's prison inside Evernow. After learning she will have to sacrifice herself to release Hiro, Miko tries to use the sword to return to the game, but is unable to do so due to Phoebe Frady draining her powers. Quentin is able to distract Phoebe long enough for Miko to return to Evernow where she faces off with her dark self. During a sword fight, Miko decapitates her dark self and uses the Kensei sword as the key to Hiro's prison within the game. Hiro is freed and emerges from the game, but the Kensei sword is apparently lost within the game for good.

June 13th, Part One

After trapping Hiro in Evernow, Hachiro Otomo steals the Kensei sword from Hiro's office in Yamagato Tower.

Memorable Quotes

"I really need to find that sword..."

- Hiro (from Fallout)

"That sword is my destiny. The samurai's weapon must be used with honor. And respect. The sword has many lessons to teach."

"Swords are for killing. That's why they're sharp."

- Hiro, Ando (The Fix)

"I stole your sword!"

- Hiro (to Takezo Kensei) (Four Months Later...)

"My sword!"

- Hiro and Takezo Kensei (to Yaeko) (Four Months Later...)

"I believe this is mine, Carp."

- Adam (to Hiro) (Powerless)

"I left it at home."

- Present Hiro (to Past Hiro when asked where his sword is (Once Upon a Time in Texas)

"Forget about the sword!"

- Present Hiro (to Past Ando when asked about the sword Once Upon a Time in Texas)


  • According to, the sword is made of leather, steel, and wood, circa 1580.
  • The sword appears to help Hiro focus his powers. With the sword in his possession, his face seems calm and serene when using his powers, as opposed to the the intense effort he seemed to need before he obtained the sword. However, his father reveals that the sword has nothing to do with his powers: its all in his self-confidence and retrieving the sword gave him back that which is what caused his powers to come back and why he can use them so much easier.
  • According to one of Hiro's blog entries, Kensei called his sword 自由刀 (jiyuutou). Hiro goes on to say that he will call his sword 時遊刀 (jiyuutou) which Hiro thinks is a funny pun. Kensei's sword name, "jiyuu-tou", loosely translates to "Freedom Sword". Hiro's sword name, "ji-yuu-tou" (which is not a word), would loosely translate to "Time-Play Sword".



See Also

External Links

Fan Theories

Please refer to Theory:Kensei sword for fan-created theories and other speculation.

Weapons edit

Ando's swordThe Bennets' gunC4 explosivesClaire's gunThe Company's gunsThe Company's tasersCorinthian security gunDanko's knifeDonna's gunEdgar's knivesErnie's gunFuture Claire's gunsJessica's gunJessica's rifleKaito's swordKensei swordMatt's side armShotgunsSword of OniTaylor's gun

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