As announced in the ‘Firelands Raid Changes Incoming’ blog post ( http://us.battle.net/wow/en/blog/3494581/Firelands_Raid_Changes_Incoming-9_12_2011 ), we’ll be making the below hotfixes which have gone into effect during today's raid reset.

Normal difficulty

• Shannox, Beth’tilac, Rhyolith - health and damage reduced by 15%.
• Other bosses - health and damage reduced by 25%.
• All adds’ health and damage have been reduced in the same proportions as bosses.
• Hellhounds and Unstable Magma deal much less damage.
• Alysrazor’s Fiery Tornados move slower.
• The Wings of Flame buff duration on Alysrazor is now uniformly 30 seconds.
• Alysrazor drops 1 additional feather for 10-player mode and 2 additional feathers for 25-player mode in all cycles.
• Wrath of Ragnaros in Stage 1 now knocks targets up, but not back.

Heroic difficulty

• Boss health and damage reduced by 15% (Heroic Ragnaros' health has not been reduced.)
• All adds’ health and damage have been reduced in the same proportions as bosses. However, Heroic Ragnaros adds have been reduced by 15%.
• The Wings of Flame buff duration on Alysrazor is now uniformly 30 seconds.
• Alysrazor drops 1 additional feather for 10-player mode and 2 additional feathers for 25-player mode in all cycles.

Stay tuned to the 4.2 Hotfixes blog post as these and other live updates are made to the game: http://us.battle.net/wow/en/blog/3019413

The 4.2 Hotfixes blog post has been updated with a complete list of the changes:
http://us.battle.net/wow/en/blog/3019413/

09/20/2011 04:19 PMPosted by Legendaîry

I don't suppose a Blue could clarify why these nerfs are being done all at once instead of over several weeks like it was implied by another Blue? Now I'm feeling a little disappointed with the nerfs.

Today's hotfixes were applied today.