Have you tried ESO Cyrodil? A huge PVP zone practically the size of northrend with 3 factions that encourages groups to form and defend/push a keep/outpost/resources etc.. I have played for hours at a time not realizing how long I played. The score updates every 30 minutes over a period of a 30 day campaign. At the end of the campaign you get a reward based on your participation and how well your faction did. If only Blizzard could design something like it. Too bad Holinka be like: eh.. put a single lane with flags and a boss at each side with mind numbing mini games and call it a day (trashran)