Get to Ymirheim!

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.

Fly across the evil hostile town and you'll find him standing behind a hut, on the point 51.9, 57.6, then you turn it in and start another quest with his robot by his side.

Yes it may be hostile to you for the fact that this thread is for the Horde's part of the quest. :)