Retest Now

In order to complete this quest.

Head towards 49,33

Start off with right clicking the quest item, which allows you to farm the items,
that are needed for the quest.

Then you need to kill 10 of the "Cult of the Damned" people,
Who most likely will drop " [Tainted Essence]" (100% drop rate)
And when you have them, you can turn them into a Writhing Mass.
Which you then throw into one of the cauldrons.

Ripped from earlier post: (thanks a lot btw :p)

Blue/Grey: Attack Power
Green: Stamina
Dark: Spell Power

I hope this was of help :)

Tilix's information and co-ords were great. excepting for the thing Horidus mentioned also, some of the information he gave, (the cauldron buffs) was incorrect. This is how it should've looked like: Dark Cauldron: Attack power Blue Cauldron: Spellpower Green Cauldron: Stamina Tested today on 13/12. edit: spelling

ORGRIM'S HAMMER Quest Tree From Whiterock

The Crusaders' Pinnacle*                      1)Preparations for War
 |->The Skybreaker(A)*   The Shadow Vault*
 |                         |
1)Orgrim's Hammer------->Opportunity*
 |___________________________________________
 |                  |->2)Mind Tricks        |->D)Blood of the Chosen    
3)The Broken Front  |->D)Slaves to Saronite |->2)Joining the Assault 
 |   +3)Avenge Me!  |->2)Get to Ymirheim!       |->D)Assault by Air   
 |->D)Make Them Pay!   D)King of the Mountain   |->D)Assault by Ground  
 |
 |------------------------>1)Good For Something?
1)Takes One to Know One    3)Volatility-->D)Volatility
3)Poke and Prod            5)Green Technology   
 |________________________ 6)Fringe Science Benefits
 |                       |  |->D)Riding the Wavelength: The Bombardment
3)That's Abominable!     |  |->D)Total Ohmage: The Valley of Lost Hope!
 |->D)That's Abominable! |
 |                      4)Against the Giants
5)Sneak Preview          |->4)Coprous the Defiled
 |->5)Chain of Command   |->4)Basic Chemistry-->D)Neutralizing the Plague
 |->5)Cannot Reproduce
 |  5)Retest Now-->D)Retest Now      
 |
5)Drag and Drop-->D)Drag and Drop
 |->5)Not a Bug-->D)Not a Bug
 |
5)Need More Info----------------->5)No Rest For The Wicked
 |                                 |->D)No Rest For The Wicked
 |                                 |
7)Raise the Barricades----------->8)The Ironwall Rampart
 |->8)Blinding the Eyes in the Sky |
 |  D)Keeping the Alliance Blind   |
 |                                 |
8)Bloodspattered Banners           |
 |_________________________________|  
 |
9)Before the Gate of Horror
 |                   \
9)Shatter the Shards 9)The Guardians of Corp'rethar

Amped for Revolt!(doesn't work/exist)
Quest Zones:
1)Orgrim's Hammer_____2)Ymirheim_____3)Broken Front_____4)Mord'Rethar_____5)Aldur'thar_____6)The Bombardment_____7)Valley of Lost Hope_____8)Valley of Fallen Heroes_____9)Corp'rethar
D)Daily
*Click to see more info about that quest-line.
The Icecrown is done! Leave your comments/sugestions at my comment in Icecrown zone. Thanks everyone who helped me to make it via comments on wowhead and in-game pre-quest tracking.