1-The item that starts this questline is looted on Hard WorldBosses

 

 

 

 

Meet Ner'Zhul Spirit to finish the quesy.

 

 

2-He will ask you to bring 30 Gul'dan FelFire et antimater

 

 

 

 

 

3-you must retrieve The Secret Guide  on C'Thun (15%)

 

 

 

 

 

4- collect 200 fragment on Agressive Titans  (15%)

 

 

 

 

5- collect 200 Kirin'Tor Marks from Lucky Chests (25%)

 

 

 

 

6-collect 200 magic feathers from phoenix eggs (25%)

 

 

 

 

7- Argus Shadow Mark (12%)

 

 

 

 

8- Karth's Frost Mark (12%)

 

 

 

 

9- Orkas Fire Mark (12%)

 

 

 

 

Now you need to collect The 3 legendary Cloths :

 

 

10- 1st at  Argent tournament Grounds (Icecrown)

 

 

 

 

11- 2nd at The Stormspire (Netherstorm)

 

 

 

 

 

 

12- 3rd arround a cave in Thousand Needles

 

 

 

 

 

Finally you can restore The Legendary Shirt

 

 

 

 

and get the shirt of your choice :

 

 

 

 

 

hint : You can have some difficult quest items at Bjorn