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    (Redirected from Senku)

    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 ((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 ((せん)(くう)()(げつ) ?).[1]

    Appearance[edit source]

    Senkū has no physical manifestation outside of its effect on Kogetsu, whose blade it extends. Due to the speed of the swing, the attack can appear only as a ribbon of light originating from the blade.[3] Should Kogetsu be a different color than the standard one, the blade will be changed back to its default color after Senkū is used.[4]

    Overview[edit source]

    The origins of this Trigger are unknown. Due to its function, it cannot have been created before Kogetsu.

    Abilities[edit source]

    Senkū allows the user to temporarily extend their Kogetsu's blade by consuming trion for vastly increased reach.[5] power of the slash peaks at the tip of the blade.[1] The extension is inversely proportional to the duration of the effect.[6] the majority of Attackers keep it activate for 1 second, resulting in a range of 15 meters, but Tatsuhito Ikoma can comfortably execute a Senkū slash with the activation time being a mere 0.2 seconds, which causes the blade to extend up to 40 meters.[7] This extreme application of Senkū can cut cleanly through large Escudo barriers,[8] but even an ordinary activation has proven capable of cleaving through a minimum of five smaller Escudo, some within a few meters of the Senkū user, without difficulty.[9] Kei Tachikawa used this Trigger to bisect two Rabbits vertically[10] despite the very durable armor on their head and back being capable of resisting two simultaneous Scorpion slashes without taking any significant damage.[11]

    Shinoda's focused Senkū.

    Skilled Senkū users like Ikoma[12] and Tachikawa[3] are able to swing an elongated Kogetsu twice within one same activation, while Yōsuke Yoneya was able to strike five times in a row with his Spear,[2] although it is possible he simply extended the activation time or it is an advantage given by his custom Kogetsu. Another notable application of Senkū is the one demonstrated by Masafumi Shinoda, consisting in pinpoint attacks which resemble Mantis more closely than a proper slash.[13] He also displayed the ability to avoid obstacles,[14] although whether he did so through sheer skill, in conjunction with Gen'yō, or through a customization is currently unknown.

    Shinoda,[15][14] Tachikawa[16] and Ikoma[17][18][19] are consistently shown sheathing their Kogetsu between attacks, and the act of drawing it has been repeatedly recognized as a telling sign of the wielder's intention for activating Senkū[20][21] — although there are also instances of it being unequivocally activated when Kogetsu was already out of the scabbard.[3][4][22] However, whether the act of sheathing and drawing Kogetsu has any use remains unconfirmed. The speed at which Kogetsu extends and shrinks is likewise unknown.

    Due to being an exclusive optional trigger, Senkū must be equipped on the same side of the slots as Kogetsu in one's Trigger set, however it can be activated even if two Triggers are already in use.[23]

    Techniques[edit source]

    Image Name
    Description
    Double Senkū Kogetsu
    (ダブル (せん)(くう) ()(げつ), Daburu Senkū Kogetsu?)[23]
    The user activates Senkū through both the Main and the Sub while wielding two Kogetsu.[23] This technique was very likely used by Kei Tachikawa to effortlessly cut down an Ilgar,[24] whose already durable armor was enhanced as it was ready to self-destruct.[25]
    Ikoma Senkū
    (()(こま) (せん)(くう), Ikoma Senkū?)[26]
    By activating Senkū for a mere 0.2 seconds, the user can extend the reach of their Kogetsu up to 40 meters. This complex technique, which requires the user to swing their sword extremely quickly while synchronizing the slash with the activation of Senkū, is named after Tatsuhito Ikoma, the only person in Border capable of using it.[7]

    Users[edit source]

    See also: Senkū Users

    There are 27 known users of this Trigger among official agents,[27][28] including Yōsuke Yoneya, who activates it through his Spear.[2] Masafumi Shinoda also has Senkū in his Trigger Set.[29] This is excluding Tatsuhito Ikoma is hailed as the best Senkū user in all of Border,[30] but Shinoda and Kei Tachikawa are also worthy of note. Members of branches who do not participate in Rank Wars are excluded from the count.[31]

    Trivia[edit source]

    • 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 moments before striking.
      • Similarly, Ikoma was taught Iaido and has always sheathed his Kogetsu when doing his special Senkū, so it is possible that anyone who uses it has to learn Iaido to pull it off correctly.
    • In the English translation of Chapter 154, Yuu Kunichika heavily implies that Senkū can be activated only while drawing Kogetsu; however, the original text makes no mention of it.[7]
    • Kyōsuke Karasuma, Shūji Miwa and Kotarō Tomoe are the only three official agents that have Kogetsu but not Senkū in their Trigger set.[32][33][34]

    References[edit source]

    1. 1.0 1.1 1.2 1.3 1.4 World Trigger Manga and Anime Vol. 7 Chapter 57 (p. 11) and Episode 26.
    2. 2.0 2.1 2.2 World Trigger Manga and Anime Vol. 15 Chapter 131 (p. 4) and Episode 76.
    3. 3.0 3.1 3.2 World Trigger Manga and Anime Vol. 4 Chapter 26 (p. 6-7) and Episode 14.
    4. 4.0 4.1 World Trigger Manga and Anime Vol. 20 Chapter 172 (p. 12) and Episode 90.
    5. World Trigger Manga and Anime Vol. 4 Chapter 26 (p. 6) and Episode 14.
    6. World Trigger Manga and Anime Vol. 18 Chapter 154 (p. 4) and Episode 84.
    7. 7.0 7.1 7.2 World Trigger Manga and Anime Vol. 18 Chapter 154 (p. 5) and Episode 84.
    8. World Trigger Manga and Anime Vol. 22 Chapter 188 (p. 19) and Episode 97.
    9. World Trigger Manga and Anime Vol. 20 Chapter 172 (p. 2-3) and Episode 90.
    10. World Trigger Manga and Anime Vol. 7 Chapter 57 (p. 12-13) and Episode 26.
    11. World Trigger Manga and Anime Vol. 6 Chapter 46 (p. 15-16) and Episode 23.
    12. World Trigger Manga and Anime Vol. 18 Chapter 157 (p. 2) and Episode 84.
    13. World Trigger Manga and Anime Vol. 9 Chapter 71 (p. 4-5) and Episode 32.
    14. 14.0 14.1 World Trigger Manga and Anime Vol. 9 Chapter 71 (p. 8) and Episode 32.
    15. World Trigger Manga and Anime Vol. 8 Chapter 70 (p. 17) and Episode 31.
    16. World Trigger Manga and Anime Vol. 15 Chapter 132 (p. 9-10) and Episode 76.
    17. World Trigger Manga and Anime Vol. 18 Chapter 154 (p. 1) and Episode 84.
    18. World Trigger Manga and Anime Vol. 18 Chapter 158 (p. 6) and Episode 85.
    19. World Trigger Manga and Anime Vol. 22 Chapter 188 (p. 16) and Episode 97.
    20. World Trigger Manga and Anime Vol. 15 Chapter 132 (p. 11) and Episode 76.
    21. World Trigger Manga and Anime Vol. 18 Chapter 154 (p. 8) and Episode 84.
    22. World Trigger Manga and Anime Vol. 20 Chapter 172 (p. 19-21) and Episode 90.
    23. 23.0 23.1 23.2 Daisuke Ashihara: Q: Does "exclusive optionals" not count in the only two triggers at a time limit?
      A: They don't. Exclusive Optionals, like Kogetsu's exclusive "Senkū", are equipped on the same side of the slots as Kogetsu, and only switched ON when in use (the trion consumed is only what the exclusive option used). Dual-wielding Kogetsu + (Senkū x 2) for a "Double Senkū Kogetsu" is also possible.
      Source: Border Briefing File, Page 307, Question 167
    24. World Trigger Manga and Anime Vol. 6 Chapter 48 (p. 5) and Episode 23.
    25. World Trigger Manga and Anime Vol. 6 Chapter 48 (p. 9) and Episode 23.
    26. World Trigger Manga and Anime Vol. 18 Chapter 153 (p. 19) and Episode 84.
    27. World Trigger MangaBorder Briefing File
    28. World Trigger Manga and Anime Vol. 19 Chapter 161 (p. 16) and Episode 86.
    29. World Trigger Manga and Anime Vol. 8 Chapter 70 (p. 16) and Episode 31.
    30. World Trigger Manga and Anime Vol. 17 Chapter 150 (p. 10) and Episode 82.
    31. Daisuke Ashihara: Q: Are there any branches besides Tamakoma and Suzunari?
      A: Border has 6 branches: Tamakoma, Suzunari, Wataayu (綿(わた)(あゆ) ?), Yumite District ((ゆみ)()(まち) ?), Hayanuma ((はや)(ぬま) ?), and Kuma (()() ?). Its personnel are mostly those who prioritise work or school and don’t aim for A-Rank (they do not participate in the twice a week Rank Wars). The branches are placed on the outer edge of the Forbidden Zone. Other than Tamakoma, the branches function as a point of contact for local residents.
      Source: Volume 18, Question Corner 11
    32. World Trigger MangaBorder Briefing File (p. 95)
    33. World Trigger MangaBorder Briefing File (p. 79)
    34. World Trigger MangaBorder Briefing File (p. 181)

    Navigation[edit source]

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