The Trapper (特殊工作兵(トラッパー) Torappā? , lit. specialized sapper) position is one of the 9 official positions available to Border agents, one of the 7 directly involved in combat, and one of the 3 a C-Rank trainee cannot work towards. This is because the Trigger that classifies the user as a Trapper, Switchbox, does not appear to be available to anyone below B-Rank.

The exact requirements to become a Trapper are unknown, as is whether there is a ranking for this position. The primary duty of a Trapper seem to be assisting teammates in moving around the field, meaning it is a supporting class of fighters. However, they also possess marks capable of inflicting damage and to impede opponents. Overall, Trappers seem to fight stealthily, laying their traps while remaining hidden.

There are 3 known Trappers in Border.

List of TrappersEdit

The following Trappers are listed by their unit's ranking at the start of the current season of Rank Battles.

EP70 Fuyushima No Pic Infobox No Pic Infobox
Shinji Fuyushima
Fuyushima Unit
Mai Kitagawa
Kako Unit
Masakuni Hakoda
Matsushiro Unit


  • A sapper, also called pioneer or combat engineer, is a combatant or soldier who performs a variety of military engineering duties such as breaching, demolitions, bridge-building... A sapper's duties are devoted to tasks involving facilitating movement, defence and survival of allied forces and impeding those of enemies, which perfectly match the uses of Switchbox seen thus far.
  • All known Trappers have the exact same Trigger set. It is unknown if this is a requirement of the position.


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