Showdown

Short Summary
TBA

Long Summary
TBA

Characters in order of appearance
Characters in italic are only seen briefly and have yet to make a proper appearance.
 * Kuniharu Kakizaki (present then flashback)
 * Yūma Kuga
 * Fumika Teruya
 * Chika Amatori
 * Kōhei Izumi
 * Mitsuru Tokieda
 * Sakurako Taketomi
 * Yūta Miura
 * Yōko Katori (present then past)
 * Rokurō Wakamura
 * Hana Somei (present then past)
 * Shiori Usami
 * Katori's mother (past)
 * Katori's father (past)
 * Katori's brother (past)
 * Somei's father (past)
 * Somei's mother (past)

Triggers in order of appearance
Triggers in italic are only seen briefly and have yet to make a proper appearance.
 * Shield (Yūma Kuga, Rokurō Wakamura, Yūta Miura, and Chika Amatori)
 * Assault Rifle (Kuniharu Kakizaki)
 * Kogetsu (Kuniharu Kakizaki/Deactivated then activated during flashback, Fumika Teruya, and Yūta Miura)
 * Bail Out (Kuniharu Kakizaki, Rokurō Wakamura, Yūta Miura, Chika Amatori, Fumika Teruya/Voluntary, Osamu Mikumo, and Yōko Katori)
 * Lightning (Chika Amatori/Lead Bullet)
 * Scorpion (Yūma Kuga, and Yōko Katori)
 * Spider (Osamu's wire zone/Flashback, Present, then Cube)
 * Raygust (Osamu Mikumo/Shield mode then attack)
 * Pistol (Yōko Katori)
 * Asteroid (Osamu Mikumo, Yōko Katori, and Rokurō Wakamura)
 * Bagworm (Rokurō Wakamura, and Yūma Kuga)
 * Chameleon (Yūta Miura)
 * Thruster (Osamu Mikumo)
 * Grasshopper (mentioned by Izumi, and Yōko Katori)
 * Hound (Chika Amatori/Lead Bullet, and Fumika Teruya)
 * Mantis (Yūma Kuga)

Adapted Chapters

 * Chapter 143
 * Chapter 144
 * Chapter 145

Anime and Manga Differences

 * When Osamu summoned another set of wires Miura's reaction along with Rokuro was shown when in the manga it was only Rokuro who was shown.