"Good!" Caleb Mercer nodded sternly. "Tonight is a crisis, but it is also an opportunity." After saying that, he distributed the crossbows on the ground to the girls one by one and taught them how to use them. The two carriages had a total of eight windows. After becoming a Tier-Two Train, the glass on the windows was all of a ballistic rating. The train carriages were also made of thick steel plates, which was far beyond what a rusty tier-one train could compare to. This was also the reason why Caleb felt relieved letting them shoot the zombies, because it was absolutely impossible for the zombies to break through the defense of the tier-two carriages, making this a purely one-sided s*******r. His action was also meant to train their courage. After all, he could not protect them ever

