[19.12] Update of the week: Old Glast Heim Challenge, Christmas Hussles, St. Poring's Treasure

The maintenance is over, the server is online. Changelog:

News:
— The Glast Heim Challenge update has been added to the game. You can learn more about it in the patchnote. (If the patchnote don't open, follow this link.)
— The Ragnarok Online Prime Knowledge Base has become available for open alpha testing.

Events and Shop:
— The Luckybox Sets arrived in launcher.
— The St. Poring's Treasure arrived in launcher.
— The Special Packs for Arch Bishop arrived in launcher.
— The Special Packs for Sura arrived in launcher.
— The "Christmas Hussles" event has started.

Finished activities:
— The Oriental Treasure left the launcher.
— The Luckybox Sets left the launcher.
— The Shadow Packs left the launcher.
— The Battle manual packs left the launcher.
— The "Increased Drop Chance +30%" event has come to an end.
— The "X Marks the Spot" event has come to an end.