Complete the raid achievements listed below: 
Glory of the Ulduar Raider(Reward: Rusted Proto-Drake, Ironbound Proto-Drake)
Glory of the Icecrown Raider (10 player)(Reward: Bloodbathed Frostbrood Vanquisher)
Glory of the Icecrown Raider (25 player)(Reward: Icebound Frostbrood Vanquisher)
Glory of the Cataclysm Raider(Reward: Drake of the East Wind)
Glory of the Firelands Raider(Reward: Corrupted Egg of Millagazor)
Glory of the Dragon Soul Raider(Reward: Twilight Harbinger)
Glory of the Pandaria Raider(Reward: Heavenly Crimson Cloud Serpent)
Glory of the Thundering Raider(Reward: Armored Skyscreamer)
Glory of the Orgrimmar Raider(Reward: Reins of Galakras)
Glory of the Draenor Raider(Reward: Gorestrider Gronnling)
Glory of the Hellfire Raider(Reward: Infernal Direwolf)
Glory of the Legion Raider(Reward: Defiled Reins)
Glory of the Argus Raider(Reward: Antoran Gloomhound)
Glory of the Uldir Raider(Reward: Bloodgorged Crawg)
Glory of the Dazar'alor Raider(Reward: Dazar'alor Windreaver)

Glory of the Eternal Raider(Azshari Bloatray)

Glory of the Ny'alotha Raider(Wriggling Parasite).