The ancient green dragonMerithra (known as Merithra of the Dream) is a child of Ysera and a major figure in the War of the Shifting Sands.DF 146 She can be found in the Temple of Ahn'Qiraj taking the form of a Night Elf, taken captive by the Qiraji alongside Caelestrasz and Arygos. When approached she, like Arygos, offers to craft weapons when given Imperial Qiraji Regalia and three Elementium Ores.
Merithra, along with Caelestrasz and Arygos, pushed the Qiraji back into Ahn'Qiraj to allow Anachronos, Fandral Staghelm, and the Night Elves to create a magical barrier to hold in the Qiraji. The three dragons and their companions flew headlong into the Qiraji legions, into the city where they hoped their sacrifice would not be in vain. Though the magical barrier was created, the three dragons were lost within the walls, where they still remain today, in humanoid form, as prisoners of the Old God C'thun.