```
Qian Tongyi and the others retreated to regulate their breaths and restore mana, switched with another two teams to continue digging pits, sent their Flying Swords into the tunnels to strangle the enemy, and obtained even more detailed maps of the tunnel terrain.
Sometimes miscalculations didn't matter; they could simply start digging in another location.
"It's kind of like playing whack-a-mole."
Li Junhao complained that the two teams of Taoist Soldiers rotating to recover their mana, always maintaining above eighty percent of their power, was too inefficient, and suspected that someone from No.7 High School might try to escape.
He thought of a method, hurried to the supply track vehicle, carried back a large amount of explosives, cut them into cylindrical shapes, and connected the fuses.
"Senior, just stab the Flying Sword downwards and create a hole the size of a fist—that's enough, no need to make it too large."
