Blizzard announced a few changes that have occured to bosses in the AQ instance the other day. If you are currently working through the AQ instance these changes could be significant for you.

Ouro has been hotfixed so his Quake effects deal significantly less damage.

We have also hotfixed the following changes to the C’thun encounter in Ahn’Qiraj:
- Lowered the hit points of both Giant Claw Tentacles and Giant Eye Tentacles.
- Decreased the damage caused by Ground Rupture, and made the effect resistable.
- Significantly decreased the melee damage done by Giant Eye Tentacles.

In the 1.10.1 patch, we also changed the way that C’thun identifies who is in his stomach. The faction changing debuff that was previously applied will no longer appear, but C’thun’s tentacles should not spawn in the stomach, nor should a player in the stomach be the target of C’thun’s Eye Beam.

The combination of these changes should give players more time to damage C'thun instead of dealing with tentacles, and see fewer “unavoidable, random” deaths occur due to Ground Rupture effects.

You can check out the whole thread here.