The event happens in December, shortly before Christmas. The event passes after 24 hours.
The Nut Cracking is a world event, and can be accessed from anywhere on Earth.
The Nutcracker appears. He goes to attack the player and their allies, mainly by kneeing them in the crotch. He appears in the form of multiple giant images, going back to normal when he attacks. When the event stars, the message "he comes" is broadcasted.