There will be several events for halloween.
The first being extended monthly double experience. As every month, double experience will start the 27th of October 2012 but will last until the 1st of November (not included).
Also, starting from monday 29/10/2012, there wil be the usual halloween quests in OX Quizz : Trick or Treat and Monster Hunting.
Finally, Sunday the 04/11/2012 at 15:00:00 Server Time, there will be an event in Hegemonia. A big monster will invade that city and players will have to work together in order to kill it. Upon victory, several items will be droped.
Enjoy the events !