Fist of the North Star summary:
The year is 199X. The Earth has been devastated by nuclear war. The seas have dried up and the land is cracked and desolate. Most living things on the planet have become extinct apart from the human race. In this new age violence rules as civilization is lost and the strong rule the weak in a world where food and water are the only thing with value. At this time a mysterious man named Kenshirou appears with his deadly martial art, the 2000 years old Hokuto Shinken. With his deadly style eliminating the evil is he the savior of the new era?