Instructions
Become a member of the Obelisk Blue dorm. To be invited into the Obelisk Blue dorm, you must either defeat 40 duelists or defeat Chazz a total of 10 times while a member of the Slifer Red dorm.
Challenge and defeat 50 duelists after becoming a member of the Obelisk Blue dorm.
Pass all of the game's monthly exams. If you have failed an exam, then you will need to make it up. If you have passed all of the game's exams up until this point, then the next time you take and pass a monthly exam you will be rewarded with the King of Games title.