Bagworms appears as a brown cloak which fits all sizes. On the left side of the collar is a badge with a crossed out antenna, representing its function. The members of Azuma Squad had its color temporarily changed to white to be able to camouflage in a snowy environment.
The origins of this Trigger are unknown.
Bagworm hides the user's trion signature, making them invisible to Radar and similar Triggers. However, enhanced detectors may be able to bypass its effect. It consumes trion for as long as it is active. It is a particularly fundamental piece of equipment for Snipers, since their effectiveness is severely limited if the target knows their location. On the other hand, Bagworm may constitute an obstruction for Attackers, so they use it almost exclusively for ambushes. Many fighters are also hesitant about resorting to Bagworm when there are hiding Snipers because it prevents the instantaneous activation of Full Guard. However, creative fighters can use Bagworm to their advantage, employing it to hide wounds or their next attack. Additionally, since Bagworm remains conjured even if it is taken off, it can serve as a decoy.
Bagworm counts at least 89 current users among Border agents, hence it is the second most popular Trigger after Shield. In fact, the 4 known agents who do not have Bagworm as part of their Trigger set all use Bagworm Tag, which may imply that Bagworm, possibly like Shield, is a compulsory Trigger.
- World Trigger Manga — Chapter 30 (p. 5)
- World Trigger Manga — Chapter 108 (p. 9)
- World Trigger Manga — Chapter 113 (p. 6)
- World Trigger Manga — Chapter 124 (p. 13)
- World Trigger Manga — Border Briefing File (p. 222)
- World Trigger Manga — Chapter 89 (p. 11)
- World Trigger Manga — Chapter 151 (p. 5)
- World Trigger Manga — Chapter 186 (p. 9)
- World Trigger Manga — Chapter 90 (p. 4)
- World Trigger Manga — Chapter 90 (p. 3-4)
- World Trigger Manga — Chapter 175 (p. 2-3)
- World Trigger Manga — Border Briefing File
|Basic Equipment||Bail Out • Radar • Trion Body|
|Attacker||Kogetsu (Kogetsu: Spear) • Raygust (Shield Mode) • Scorpion • Sōgetsu (Axe)|
|Gunner||Asteroid • Cobra • Gimlet • Hornet • Hound • Meteor • Salamander • Tomahawk • Viper|
|Firearms||Assault Rifle • Grenade Launcher • Handgun • Minigun • Shotgun|
|Sniper||Egret • Ibis • Lightning|
|Defense||Escudo • Shield (Fixed Mode/Full Guard)|
|Optional||Bagworm • Bagworm Tag • Chameleon • Connector • Dummy Beacon • Enhanced Radar • Full Arms • Geist • Gen'yō • Grasshopper • Idaten • Lead Bullet • Makō • Senkū • Silencer • Spider • Starmaker • Teleporter • Thruster • Timer|
|Prototypes||Connector • Dummy Beacon • Full Arms • Geist • Idaten • Makō • Teleporter • Timer|
|Black||Fūjin • Tsukihiko Amō's Black Trigger • Yūma's Black Trigger|