Age of Wushu is using the oncoming winter not as an ominous portent of doom but as a chance to introduce a bunch of new content to the game, starting with school instances. No matter how benevolent your school may be on the surface, there's always more going on underneath. Within the depths of these instances lie not only money and glory but perhaps ever more powerful techniques that have been lost to time.
Both secret scripts and new ultimate scrolls will be added to the game, with the latter offering true mastery over a school. The secret scripts once threw the realm into chaos, but deciphering these arts will be the mark of a true master. And if you've had your fill of all that, you can always take advantage of the upcoming marriage system and settle down for in-game domestic bliss. It's a lot of new content for the game, and all players need to do is wait for the winter.