So besides the big news of Diablo 3 we now know a few more things about Shaman in WotLK.

• Confirmed that we're getting hex, on some sort of moderate cooldown. Will function as a polymorph that allows the player to still move around but not attack/cast.
• Totems are going raid-wide. All of them apparently.
• Strength of Earth and Grace of Air are being combined into a single totem.
• Windfury Totem will no longer function as a temporary weapon enchant and will instead be a buff placed

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◊ Malan