Li Huan, traveling back to the Anti-Japanese War era, accidentally obtained a tunnel digging system. Ding, congratulations for completing the task of clearing the checkpoint and getting a quadruple mirror! Ding, congratulations for completing the operation of assisting the main force in annihilating the devils, and getting smoke bomb x50! Ding, Congratulations on completing the task, and got a 98k and an Italian cannon! Devil Commander: Ba Ga, it’s Li Huan again, use cement as the foundation, don’t let him dig in! Devil Soldier: Report to Colonel, the cement foundation has been dug through , lost a lot of weapons...