Need Locations To Good Farming Spots

Hello All, I'm a level 67 archer which is my highest class but it's taking forever. I really don't understand how people level up to 100 so quickly. What i'm really saying is that i need good farming locations for my level 67.

 

if you haven't done all the quests already do them and if you have try it in herb cave it is if you go to the jungle over the great bridge to the right