The Water Margin
The heroes of The Water Margin come in a wide range of capabilities. Sometimes, you just have to make do with what fate hands you, and some people are luckier than others.
To determine ability scores, roll 4d4+4 six times, and assign the scores as desired. Adjust the scores based upon choice of character race.
Non-player characters will typically have lower ability scores than player characters, except for certain extraordinary individuals.