a handfull of people still play. the paragon levels are the same as real levels plus they give 3% magic find each level. fyi you can only have 300 so no need for magic find on ur gear past 300. as for the keys you need full stacks of nephelam(SP) 5 stacks, you get those from killing rare spawns and death no longer wipe it only changing spells and changing ur quest from the menu. each act has a key warden. you get a 10% chance per Monster power setting you are on ( selectable from quest menu if toggled on in your options) you need each key from each act. then act four has a key warden that drops the plans to make the portal. you use the keys to make the portal and then you can attempt to kill the bosses in the portal that drop organs. if you colect the organs you can then make a ring for your self.