|First Large-Scale Invasion|
First Large-Scale Invasion
|Outcome||Border agents stop the Trion Soldiers and build the border.|
|Previous||Calvaria vs. Spinthir|
The attack, known as The First Large-Scale Invasion was an attack by neighbors on Mikado City 4.5 years before the beginning of the series. The attack killed 1,200 and 400 went missing. But when the people lost hope, Border came and drove the Neighbors away.
The types of Trion Soldiers used in The First Large-Scale Invasion were Bamsters and Marmods. As seen in the opening recap of some episodes. Much of Mikado city was destroyed. An unknown organization called Border drove away the neighbors. These people include Jin, Kido and Konami.
|Introduction Arc||First Large-Scale Invasion • Rad Infestation|
|Black Trigger Capture Arc|
|Border Enlistment Arc||Border Member Official Enlistment Day|
|Large-Scale Invasion Arc||Aftokrator's Invasion|
|B-Class Rank Battles Arc||Galopoula's Invasion|