For all those of you out there who don't have the time to slog through the 100+ articles we published on BlizzCon 2009, we've condensed the events of the past few days into the most important things you need to know:

• THE END OF WRATH: Developers gave some pretty revealing information on what we can expect to see in patch 3.2.2 (the revamped Onyxia raid) and in patch 3.3, where we'll finally stare down Arthas himself.
  
• THE NEXT EXPANSION: Blizzard's own loremaster Chris Metzen debuted the first trailer for the next expansion, titled World of Warcraft: Cataclysm, and that sound you hear is millions of players who can't believe Blizzard would ever pull a stunt this big. Cataclysm's basic storyline features the return of Deathwing and the re-sundering of the world in his wake, forever altering Azeroth's classic landscape and sending players to previously unseen parts of the world like the Lost Isles, Hyjal, Gilneas, Uldum, and Grim Batol.
  
• FEATURES OF CATACLYSM: The most important features of the next expansion include two new races (Goblins for the Horde and Worgen for the Alliance), new class possibilities for existing races, a new secondary skill, character stat simplification, cross-server instances, the ability to level and "talent" your guild, new means of character advancement through the Path of the Titans, Mastery, and the revamping of the talent system, and rated battlegrounds.
• LIVEBLOGS: We blogged and liveblogged the convention from start to finish: the Opening Ceremony, the WoW Preview panel, the WoW Art panel, The Guild's panel, the first and second WoW Class, Items, and Professions Panels, the general WoW Q&A, the Breaking Into the Industry panel, the Game Systems panel, and the Raids and Dungeons panel.
• FUN AND GAMES: Even in the middle of all the craziness, we still found time for our third annual Reader Meetup (we expected maybe 300 people and got 1200+) with the cast of The Guild present, Premonition's live raid, the Costume contest, and the Dance and Soundalike contests.

If you'd like a more thorough look at how BlizzCon 2009 went, visit our round-ups on Day One and Day Two of the con for a more complete guide to our articles, galleries, and videos.

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Filed under: Patches, Events, Fan stuff, WoW Social Conventions, Blizzard, News items, Expansions, Features, BlizzCon, Cataclysm, Worgen, Goblin