Blizzcon 2009: Cataclysm Overview Panel

General Infos:
-Deathwing caused Cataclysm
-Worgen: start at lvl 6
-Golbin: starting area will be Lost Isles
Racial will be a rocket belt: area dmg or a front disengage aka. an engage
-new ingame cinematics telling the story
-level cap raised to level 85: level 1 to 60 completly revamped, want to bring more ingame content than ever before
-7 new zones (5 adventure zones, 2 starting zones):
Deepholm, Uldum, Lost Isles, Mount Hyjal, Gilneas, Twilight Highlands, The Sunken City of Vashj'ir (underwater zone)

Guild Advancement System:
-guild leveling through 20 levels
-unique guild talent trees
e.g. mass resurrection, cheaper guild repair

Path of the Titans:
another way of character customizing:
class indepent: the player chooses the way of onetitan

Mastery System:
spending more points in one talent tree offers you special features (e.g. more poison dmg)

New Level Flow:
-the way you will level up will be changed
-level restrictions of selected zones will be changed
example: Thousand Needles 40-45

Zone Changes: (examples)

Hillsbrad Foothills:
Southshore finally losed Southshore to the Horde
Barrens:
split into two zones and begins to regrowth
Wailing Caverns growths
Desolace:
no more desert
Darkshore:
destroyed, a new camp will be builded
Horde gets a new camp in the south
Azshara:
new goblin zone, in which "they decided to move the mountain"
Adventure zone level flow 78-85
2 starting zones: 75-82: Sunken City of Vashj'ir or Mount Hyjal
82-84: Deepholm (comparable zone to dragonblight in northrend)
83-85: Twilight Highlands and Uldum

New Zones:
Sunken City of Vashj'ir
-located on sea floor
-home of Vashj
-underwater gameplay and underwater mounts (flying speed)
Deepholm:
-located inside the elemental plane on earth
-82-84 level zone
-large, subterranean environment
-Deathwing's Domain
-Temple of Earth
-Cataclysm-Hub
Uldum:
-desert zone with a huge river
-titan temples
-titan machine was destroyed through the cataclysm and revealed the visibility to everyone
-rumored to hold a super weapon
-titan creation: Tol'vir
Mount Hyjal:
-Ragnaros banished back to the place of fire and "he's pissed"
-Malfurion Stormrage is back too
-World tree regrowthing
-Darkwhisper Gorge
Twilight Highlands:
-headquarter of Twilight Hammer
-two new pot towns
-Grim Batol sheared in 2 parts
-new flight: Twilight Dragonflight

Dungeons and Raids:
-The Firelands (with Ragnaros)
-Uldum (2 level up dungeons)
-Blackrock Caverns (in BRS level up dungeon)
-Grim Batol
-Skywail
-Heroic Deadmines and Heroic Shadowfang Keep (lvl 85 dungeons)

PvP:
-Tol Barad PvP Zone:
all kinds of daily quests in this zone
like Wintergrasp battle for the zone in period times:
holding Tol Barad gives you extra profitable daily quests and access to the prison dungeon
-Gilneas Battleground
-new Arena maps (not decided how much)
-rated battlegrounds (to give you access to arena comparable pvp equip)