Kekkai Houjin

Kekkai Houjin - Barrier Method Battle Array
Rank: B

Type: Fuuinjutsu

Prerequisite: User must have explosive markers

Kekkai Houjin is a high-level Ninjutsu trap technique. An array of explosive markers are jointly placed around the boundary of an area. If any opponent walks through the boundary, the seals will activate and explode.