The apocalypse was coming.
From the start, he used a System to stockpile ten billion kilowatt-hours of electricity, build a survival base, and gather supplies. He quietly raised livestock and grew crops on his own, making it through the early days of the apocalypse.
Then he turned to infrastructure, using research from the System to achieve energy self-sufficiency.
But society outside had already collapsed. How to live safely and make life more colorful was another urgent question Sun Cun had to consider.
He continued advancing technology, using ample firepower to ensure his safety. Only then could he remotely control robots to explore the outside world.
He might be cautious, but this was his first apocalypse, and he wanted to see what was out there.
So far, it's pretty good. Updates are too slow. Put it on the bookshelf to save more and read more.