whats the difference between the four, i kno you can put your skills in them but does it eventuallyget a max lvl and fill up and you have to use another skill ring for other skills? and also why does it say last time you sdaved only under the skill ring you used last, can some1 give me a decent in depth explanation about the skill ring menu and what its purpose is other than putting skills in them , which i kno how to do