Masamune is a member of the Guild.


Masamune spoke Japanese.[1] He was recruited from the ruined area of Japan, where he was a "somewhat crazed" hermit.[2] He seemed to have a prior relationship with Black Kaze.[3]

He didn't act as a front-lines combatant.[2]


Masamune is a stooped and frail man who sports a thin beard. He is not old, despite his fragile appearance.[4]

Abilities and PowersEdit

Masamune had the ability to figure out how to mass-produce tinkertech without maintenance issues snowballing out of control.[5] He was able to create the gear utilized by the Dragon's Teeth and top-of-the-line equipment for the Protectorate and Wards, including copies of Defiant's combat engines.[2] He produced nonlethal weapons, although not as good as those possessed by the Dragonslayers.[6]

He also helped produce spare nanothorn knives, although they would degrade in a few days if not maintained.[1]

As of Golden Morning, he hadn't figured out how to reproduce Weaver's flight-pack technology.[7]



The Japanese hero team Sentai Elite had a tinker with extremely similar abilities who produced their equipment before Kyushu.[8]

At some point, Masamune became familiar with Black Kaze.[3]

Masamune was recruited from the ruined area of Japan, sometime around September 2012,[9] where he was a somewhat crazed hermit.[2]


Masamune was recruited by the Guild and given the task of figuring out how to mass produce their equipment without the maintenance issues snowballing out of control. He was able to create the gear utilized by the Dragon's Teeth and top-of-the-line equipment for the Protectorate and Wards.[2]

Golden MorningEdit

He was present alongside the rest of the Guild when they met with Cauldron. He stepped away from his teammates to approach Black Kaze and stand within the mass murderer's personal space for a several tense moments. When Masamune returned to his teammates, Black Kaze followed him.[3]

Later, the two seemed to be travelling as a pair,[1] although Masamune was nowhere to be seen when she engaged Scion.[10]

Trivia Edit

  • Masamune (正宗), also known as Gorō Nyūdō Masamune (五郎入道正宗 c.1264–1343 AD), is widely recognized as Japan's greatest swordsmith.[11]
  • Under Weaverdice rules Masamune counts as a type of Reasource Tinker.


  1. 1.0 1.1 1.2 Venom 29.3
  2. 2.0 2.1 2.2 2.3 2.4 Sting 26.2
  3. 3.0 3.1 3.2 Extinction 27.3
  4. Extinction 27.2
  5. Bakuda is a chaos tinker. Somewhere in line with the field test tinker.
    Blasto is an Alchemist.
    Bonesaw likely started out as a Limit but breadth and depth factor in to branch her out considerably.
    Cask is magi, I guess. I kneejerked a 'no', but I suppose it fits.
    Chariot is closer to being a mover hyperspecialist.
    Jia is a simulation architect.
    Kid Win is closer to being a mastermind.
    Lab Rat is more a field test tinker (chaos), working his way to valid results by experimenting on others (and sometimes himself).
    Better to say Alan Gramme was an Architect, but a dramatic shift and change to becoming Mannequin made him a Combat Magi instead.
    Masamune - Resource
    Richter - Virus tinker
    Squealer - probably Hyperspec-Architect Obsessive.
    Stinger - Hyperspec (Rockets)
    String Theory - Doomsday Architect
    Tecton - Tectonic Templar

    Ogun - Chaos Tinker-Shaker
    Particulate - Disintegration/Dust hyperspec-binary.
    Trainwreck - Crude bodysuit/armor combat-resource tinker & case 53. - reddit comment by Wildbow.
  6. Cockroaches 28.3
  7. Extinction 27.5
  8. Interlude 22.y
  9. December 5th, 2012, six months ago


    “The Guild found the mass-production tinker. All signs point to them becoming a force in their own right. We won’t be helpless.” - Excerpt from Interlude 27
  10. Speck 30.2
  11. Wikipedia - Masamune


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