You choose a character to write. You should briefly introduce your achievements at the beginning. For example, Emperor Wu of the Han Dynasty: ousted a hundred schools of thought and respected Confucianism alone. Here's the thing. Then the first paragraph ends with a name.

Introduce stories and things, do things and life experience in the middle. In the last paragraph, tell me how you feel about him: I want to be that kind of person because of him … and then maybe I feel sorry for his tragic ending/life, he is so …