Have to post this. Full credit to Allakazham's ImmortalAlchemist.
Info at: http://ffxi.allakhazam.com/forum.html?forum=10&mid=1269276307226732316&num=101&page=1
Data mining the new update, he found this gem!!
XP Bonus +150% (That means for every 2 XP you get, it gives you 3 more!)
Max Duration TWELVE HOURS
Max Bonus 9K
Unknown as to if it can be recharged.
You have GOT to be kidding me!! Perhaps this is an answer to all the botfests which the Tablet quests have become.
Either that, or that's the reward for finishing up the next round of WotG mission quests.
E E - Y O W ! ! !