User blog comment:G0LD3NF1RE/E3 Elder Scrolls Online Roundup/@comment-172.243.32.87-20130801000738/@comment-5469467-20130801014120

Not exactly. The Emperor is basically the top of the leaderboard, and is given to the highest ranked player (possibly in whichever faction is winning). So the Emperor is a bit like the Highlander; there can only be one.