What are the hints for getting dynasty warriors 4 weapons?

For the first 9 levels, you need to just fight people, then for lvl ten and eleven you need to do things on a specific difficulty. For lvl 10, you need to go on hard and on 11 you need expert. Every character has different things to do, like for Zhao Yun, you need to do things in a certain amount of time and stuff. A good webiste is www.gamefaqs.com it has heaps of things that will make it easier