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Kogetsu Optional Trigger: Senkū. A momentary lenghtening of the blade's reach through a trion expenditure. The swinging blade is most deadly at the tip.

Senkū's description, in Large-Scale Invasion 3.[1]

Senkū[1]
Anime | Manga

Tachikawa Senkuu

About
Kanji 旋空
Affiliation
Organization BrDr Border
Attributes
Type White trion Normal
Classification Optional Optional (Attacker only)
Ability
- Increased slashing range
- More powerful at the tip
First Appearance
Manga Chapter 26
Anime Episode 14


Senkū (旋空(せんくう)? lit. Rotation Void) is an Optional Trigger exclusive to Kogetsu,[1] including its Spear variant.[2] An attack carried out using this Trigger takes the name of Senkū Kogetsu (旋空弧月(せんくうこげつ)? lit. Rotation Void Crescent Moon).[1]

AppearanceEdit

Senkū's normal appearance is similar to that of a shirasaya (a katana's sheath).[1] Since the spear form doesn't have a shirasaya, it is possible that it merges with Kogetsu's hilt to form the shaft. When in use it lengthens Kogetsu's blade,[3] which, due to the speed of the movement, often appears only as a luminescent ribbon of light originating from the blade.[4]

OverviewEdit

The origins of this Trigger are unknown.

AbilitiesEdit

Senkū allows a the user to temporarily extend the reach of their Kogetsu by consuming trion.[5] Naturally, the faster the movement, the more effective the attack will be.[6] Senkū's main advantage is that it allows Attackers to fight at close-to-mid-range, albeit only momentarily.[7]

Senkū's range is inversely proportional to its duration.[8] The majority of Attackers activate it for 1 second, resulting in a range of 15 meters.[6] Skilled users can perform multiple slashes during the same use: Kei Tachikawa[9] and Tatsuhito Ikoma[10] are able to carry out at least two attacks, Masafumi Shinoda up to four.[11] With his Spear, Yōsuke Yoneya was able to strike five times in a row.[2]

Shinoda Senkuu

Shinoda's focused Senkū Kogetsu.

The lengthened blade is particularly dangerous at the tip.[1] Compared Kogetsu, which can crack but not break Scorpion with one swing,[12] Ikoma's special Senkū Kogetsu was able to cut through two Scorpions and injure the user[13] and to cleave a turned off Kogetsu.[14] Although it is unknown if a normal Senkū slash would be equally powerful, this is very likely the case, as Tachikawa managed to bisect two Rabbits[15] in spite of their durable armor, suggesting its power can surpass even Ibis.[16] Shinoda demonstrated an application of this Trigger similar to Mantis, lengthening the blade for piercing attacks for pinpoint accuracy.[17] He also displayed the capacity to bend these attacks in order to avoid obstacles.[18]

Senkū can and must be equipped on the same side of the slots as Kogetsu in one's Trigger set, hence it can can be activated even if two Triggers are already in use.[BBF Q167] Kogetsu users - excluding those wielding the Spear variant, as it lacks a sheath[2] - are consistently shown drawing Kogetsu from its scabbard immediately before activating this Trigger and even sheathing and unsheathing it between uses.[19] This action has proven to be a telling sign that the user is attempting the attack, alerting opponents and allowing them to counter by preventing the blade from being drawn.[20] Currently, however, it remains unconfirmed whether this is a requirement.

TechniquesEdit

Name Description
Double Senkuu Kogetsu1 Double Senkū Kogetsu (ダブル旋空弧月(せんくうこげつ) Daburu Senkū Kogetsu? )[BBF Q167] The user activates Senkū through both the main and the sub while wielding two Kogetsu.[BBF Q167] This technique was very likely used by Kei Tachikawa to effortlessly cut down an Ilgar,[21] whose already durable armor was enhanced as it was ready to self-destruct.[22]
Senkū (Ikoma) Ikoma Senkū (生駒旋空(いこませんくう) Ikoma Senkū? ) By activating Senkū for a mere 0.2 seconds,[8] the user can extend the reach of their Kogetsu up to 40 meters.[23] This complex technique, which requires the user to swing their sword extremely quickly while synchronizing the slash with the activation of Senkū,[6] is named after the only person in Border capable of using it, Tatsuhito Ikoma.[8]

UsersEdit

See also: Senkū Users

There are 26 known users of this Trigger among official agents,[24] including Yōsuke Yoneya, who activates it through his Spear.[2] Masafumi Shinoda also has Senkū in his Trigger set.[25] Tatsuhito Ikoma is hailed as the best Senkū user in all of Border.[26] Shinoda and Kei Tachikawa are also worthy of note.

TriviaEdit

  • The way Kogetsu is often unsheathed right before using Senkū is probably a reference to Battōjutsu, where one draws their sword from the sheath only before striking.
  • The English translation of Chapter 154 heavily implied Senkū can be activated only while drawing Kogetsu; however, the original text makes no mention of it.[6]
  • When Senkū made its debut in Chapter 26, it seemed to project remote slashes instead of lengthening Kogetsu's blade.[27]
    • That is also the only two occasions in which Senkū was unambiguously used without unsheathing Kogetsu immediately before.[5] The other instance, albeit not as clear, can be found in Chapter 157.[10]
  • Kyōsuke Karasuma, Shūji Miwa and Kotarō Tomoe are the only three official agents with Kogetsu but not Senkū in their Trigger set.[28][29][30]

ReferencesEdit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 World Trigger Manga - Chapter 57, p. 9
  2. 2.0 2.1 2.2 2.3 World Trigger Manga - Chapter 131, p. 4
  3. World Trigger Manga - Chapter 157, p. 9
  4. World Trigger Manga - Chapter 26, p. 6-7
  5. 5.0 5.1 World Trigger Manga - Chapter 26, p. 6
  6. 6.0 6.1 6.2 6.3 World Trigger Manga - Chapter 154, p. 5
  7. World Trigger Manga - Border Briefing File, p. 37
  8. 8.0 8.1 8.2 World Trigger Manga - Chapter 154, p. 4
  9. World Trigger Manga - Chapter 57, p. 10
  10. 10.0 10.1 World Trigger Manga - Chapter 157, p. 2
  11. World Trigger Manga - Chapter 70, p. 17
  12. World Trigger Manga - Chapter 90, p. 5
  13. World Trigger Manga - Chapter 153, p. 18-19
  14. World Trigger Manga - Chapter 157, p. 10
  15. World Trigger Manga - Chapter 57, p. 10-11
  16. World Trigger Manga - Chapter 45, p. 9
  17. World Trigger Manga - Chapter 71, p. 4-5
  18. World Trigger Manga - Chapter 71, p. 8
  19. World Trigger Manga - Chapter 57, p. 9-10
  20. World Trigger Manga - Chapter 132, p. 11
  21. World Trigger Manga - Chapter 48, p. 5
  22. World Trigger Manga - Chapter 48, p. 9
  23. World Trigger Manga - Chapter 154, p. 3
  24. World Trigger Manga - Border Briefing File
  25. World Trigger Manga - Chapter 70, p. 16
  26. World Trigger Manga - Chapter 150, p. 10
  27. World Trigger Manga - Chapter 26, p. 7
  28. World Trigger Manga - Border Briefing File, p. 95
  29. World Trigger Manga - Border Briefing File, p. 79
  30. World Trigger Manga - Border Briefing File, p. 181

NavigationEdit

e - d - vBorder Triggers
Basic Equipment Bail OutRadarTrion Body
Attacker Kogetsu (Kogetsu: Spear) • Raygust (Shield Mode) • ScorpionSōgetsu (Axe)
Gunner Asteroid • Cobra • Gimlet • Hornet • HoundMeteoraSalamanderTomahawkViper
Firearms Assault Rifle • Grenade Launcher • Handgun • Minigun • Shotgun
Sniper EagletIbisLightning
Defense EscudoShield (Affixed Mode/Full Guard)
Trap Switchbox
Optional Bagworm • Bagworm Tag • ChameleonConnector • Dummy Beacon • Enhanced Radar • Full ArmsGeistGen'yōGrasshopperIdatenLead Bullet • Makō • Senkū • Silencer • SpiderStarmakerTeleporterThruster • Timer
Prototypes Connector • Dummy Beacon • Full ArmsGeistIdaten • Makō • Teleporter • Timer
Black Fūjin • Tsukihiko Amō's Black Trigger • Yūma Kuga's Black Trigger

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