In preparation for Firelands releasing on November 7th, Blizzard has announced a change to the planned Elemental Shaman Tier Set 2-piece bonus, alongside some context explaining the change.
Cataclysm Classic Phase 3 Overview Guide
Cataclysm Classic was originally planned to see the adjusted 4.3 set bonus — Your Lightning Bolt has a 30% chance to reduce the remaining cooldown of your Fire Elemental Totem by 4 seconds.
Instead, Shamans will be happy to note they will receive the original 4.2 set bonus — Your damaging spells have a chance to reset the remaining cooldown on your Fire Elemental Totem. (8% Proc chance, 105 second internal cooldown)
One frequent topic of discussion is the Elemental Shaman “Volcanic Regalia” 2-piece tier set bonus. This bonus saw a large change during original Cataclysm, along with class changes to the Shaman themselves, between the Firelands and Dragon Soul raids.
Here’s a look at the original bonus, and how it was changed: