Kei Tachikawa (太刀川 慶 Tachikawa Kei?) is a character in the manga and anime series World Trigger. the A-class leader of Tachikawa Unit and Ranked #1 attacker. Due to his actions, he is an antagonist of the Black Trigger Capture Arc, but later becomes a supporting character.

Powers and Stats

Tier: At least 8-A, possibly 7-C

Name: Kei Tachikawa

Origin: World Trigger

Gender: Male

Age: 20

Classification: No. 1 Attacker, A-Class Leader, Border Member,

Powers and Abilities: Superhuman Physical Characteristics, Master swordsman, Can extend his cutting range via senku, Can not be seen on radar via bagworm, Can make an emergency escape via bail out

Attack Potency: At least Multi-City Block level (Cut a Ilgar effortlessly in one swing), possibly Town level (He was the only member in border, during the large-scale invasion, who defeated 11 rabbits on his own when other A-Ranks had trouble dealing with one alone)

Speed: At least Supersonic+ (Easily ranks above B-Ranks), possibly High Hypersonic+ (Given that he used to fight Jin all the time and has even surpassed him without his Fujin, also kept up with Fujin to an extent), likely higher

Lifting Strength: At least Superhuman

Striking Strength: At least Multi-City Block Class, possibly Town Class

Durability: At least Building level (Scaling from Yuma), likely Multi-City Block level (Took attacks from Fujin, a black trigger), possibly higher

Stamina: Large (Given that he's the No. 1 Attacker in Border)

Range: Extended melee with Kogetsu; few hundred meters with senku, possibly higher

Standard Equipment: His triggers

Intelligence: High, due to being an A-Rank and has been on many away missions,

Weaknesses: None notable

Notable Attacks/Techniques:

  • Kogetsu: Kei is a master at using Kogetsu. He can even use two of them at once.
  • Bail Out (紧急脱出 (ベイルアウト) Beiruauto; lit. meaning "Emergency Escape"): A technique used to flee a battle and return to home base it can be used even after the trion body is destroyed.
  • Bagworm: Kei uses it to stay hidden from the Radar.
  • Senku: A Trigger which makes Kogetsu's blade temporarily longer. It also makes its blade malleable.


Notable Victories:

Notable Losses:

Inconclusive Matches: