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As long as there are people in the carriage, be it animals, zombies, or players, the carriage cannot be destroyed or have its position changed. Once the armor is installed, ordinary zombies cannot damage the carriage, seats, doors, or other system items.
They couldn't be killed, the sheer number of zombies would crush a person to death. So, what were they to do? The only way was to open the door and let the zombies off the train, but the door could only be opened from the inside, right next to the only door. Besides opening the door from the inside, the only other option was to smash it open from the outside. Not to mention the pain of breaking the door, facing the swarm of zombies, whoever smashed it would die. Lin Wu might be able to escape, but as a powerless man, breaking an armored door would be no easy feat.
Lin Wu exclaimed with joy, "The food for the next six days is settled."