Th whole game is about defeating the ender drangon u need 1 strong hold and 8 end pealed a then u put them in side the slots then it makes a portal when u go in there Are ender an every where there is also. Sender eragon some where make sure to break those things upon the thing sticking one u broke those u can fight the enderdragon with out him healing him self once u. Beat him he drops a portal to get back a lot of level s like 72 when u go in the portal it will come up with al these words that means u best the games u can just press esc to get back in u can do more things on that world or do a new world and the n defeat on another once u defeat him he will not be in the end on that world .