Coilfang Reservoir:
This is the instance hub for Zangarmarsh which has 3 Instances for various levels as well as a 25 man raid.
They are as follows:
1. The Slave Pens (SP) – level 62-64. Three bosses; Mennu the Betrayer, Rokmar the Crackler and Quagmirran.
2. The Underbog (UB) – level 63-65. Four bosses; Hungarfen, Ghaz’an, Swamplord Musel’ek and The Black Stalker.
3. Steam Vaults (SV) – level 70. Three bosses; Hydromancer Thespia, Mekgineer Steamrigger and Warlord Kalithresh.
4. Serpentshrine Cavern (SSC) – level 70. Six bosses; Hydross the Unstable, The Lurker Below, Leotheras the Blind; Fathom-Lord Karathress, Morogrim Tidewalker and Lady Vashj.