2x Drop and 2x Exp
http://nxcache.nexon.net/spotlight/1...2f7517ad17.JPG
MapleStory Events : Return of the Explorers Event
Return of the Explorers Event (6/16/10 - 7/13/10)
Explorer’s Box Event (6/16/10 - 7/13/10)
More info inside the links.
EDIT : It seems that nexon is making this look nice to make it up for the crappy 5th anniversary events.
http://nxcache.nexon.net/spotlight/9...5b1bba5956.PNG