The two parties, who were in great sync, found something very frustrating: they couldn't outrun the expanding boundary point behind them.
Since they couldn't outrun it, some of the investigators became ruthless. Seeing the Boundary Breaker not far away, they used Energy Ignition to rapidly approach the opponent, and under the mad gaze of the Boundary Breaker, took them down right on the spot.
The investigator couldn't be sure if there was a trick involved, but he could confirm that as long as the Boundary Breaker he targeted died, it didn't matter if there were problems or not.
Here, the dead cannot execute plans.
Since they couldn't escape, taking one down was worth it.
Seeing the investigators' madness, the Boundary Breakers present also felt helpless. They wanted to fight desperately; however, the local human race had unique traits, and the explosion limit of their Energy Ignition was too high.