I believe this to be the heroic order we will take.
1: Hellfire Assault
2: Iron Reaver
3: Kormrok
4: Hellfire High Council
5: Kilrogg Deadeye
6: Gorefiend
7: Shadow-Lord Iskar
8: Fel Lord Zakuun
9: Xhul’horac
0: Socrethar the Eternal
1: Tyrant Velhari
2: Mannoroth
3: Archimonde
http://www.icy-veins.com/wow/hellfire-citadel-raid
https://www.youtube.com/user/FatbossTV/videos