However, Neltharion used the might of the the Dragon Soul to strike out, decimating nearly all of the blue dragonflight. Malygos and Sindragosa joined the blue dragons in surrounding the Earth Warder and charged the black dragon. However, Neltharion betrayed his dragon allies during the Legion's assault, provoking an apocalyptic battle in the skies over the Well of Eternity. During the War of the Ancients, Neltharion the Earth Warder, Aspect of the black flight, convinced his dragon brethren to empower a powerful artifact called the Dragon Soul, claiming that it would thwart the impeding invasion of the demonic Burning Legion.
Long before the Great Sundering, Sindragosa was the beloved consort of Malygos, Aspect of the blue dragonflight and guardian of all arcane magic.