This WoW set features the full Heroes’ Earthshatter transmog, which is the shaman tier 7 (10-man) raid set. Earthshatter is obtained by looting Wrath of the Lich King bosses and purchasing some set pieces straight from the vendor with gold. Dropped tokens can be traded for set pieces via Dalaran tier vendors.
How to Get Shaman Tier 7? By purchasing from Dalaran vendors and slaying Naxxramas bosses.
How Many Set Pieces?  Helmet, Shoulders, Chest, Hands, and Pants
Shaman Tier 7 Transmog: [10-Man Drop Locations]
Note: Shamans have three different sets with the same exact look. Tier 6 shaman armor tokens can be used to purchase any of the set pieces.
Head: Helm of the Lost Protector [Kel’Thuzad] in Naxxramas
Chest: Chestguard of the Lost Protector [Purchase from Vendor] in Dalaran.
Hands: Gloves of the Lost Protector [Purchase from Vendor] in Dalaran.
Legs: Leggings of the Lost Protector [Thaddius – Gluth] in Naxxramas.
Chest/Hand Vendor (Alliance): Arcanist Ivrenne [37,55] in Dalaran.
Chest/Hand Vendor (Horde): Magistrix Lambriesse [65,23] in Dalaran.
Redeem Token Vendor (Both): Bragund Brightlink [51,72] in Dalaran.
Set Name: Heroes’ Earthshatter Battlegear (hover for set bonuses)
Shoulder: Heroes’ Earthshatter Shoulderguards
Chest: Heroes’ Earthshatter Chestguard
Hands: Heroes’ Earthshatter Grips
Legs: Heroes’ Earthshatter War-Kilt
Set Name: Heroes’ Earthshatter Garb (hover for set bonuses)
Shoulder: Heroes’ Earthshatter Shoulderpads
Chest: Heroes’ Earthshatter Hauberk
Hands: Heroes’ Earthshatter Gloves
Legs: Heroes’ Earthshatter Kilt