We need to speed up the trade process and quickly improve our attributes.
The old man's sneak attack gave Du Ge a sense of urgency. Even in the post-apocalyptic world, with fewer people, it is still set in a modern background.
In this kind of world, there are guns and cannons. The old man had two small pistols, which almost took him down. What if he had a rifle or a sniper rifle with longer range?
He was already defenseless!
