Saurons biography First age
In the earliest of days, before the godlike Valar entered the realm of Arda, Sauron originated as a spirit called a Maia. He was at first one of the most powerful servants of Aulë the Smith, one of the Valar or ruling powers of the world.
Sauron was soon subverted by the Dark Lord Melkor (later known as Morgoth), the evil Vala, and thereafter served Morgoth. After Morgoth was defeated and cast outside the confines of the world, Sauron encouraged and coerced Men to worship Morgoth and himself as gods. While Morgoth wanted to either control or destroy the very matter of Arda itself, Sauron's desire within the limits of his power was to dominate the will of its creatures.
During the First Age, the Noldorin Elves left the Blessed Realm of Valinor in the Uttermost West against the counsel of the Valar to wage war on Morgoth, who had stolen the Silmarils. In that war Sauron served as Morgoth's chief lieutenant, surpassing all others in rank. Only Gothmog, the Lord of Balrogs, equalled him. Known as Gorthaur the Cruel, Sauron was at that time a master of illusions and changes of form; werewolves were his servants, chief among them Draugluin, Father of Werewolves, and his vampire herald Thuringwethil. When Morgoth left Angband to corrupt the newly awakened Men, Sauron directed the war against the Elves. He conquered the Elvish isle of Tol Sirion, so that it became known as Tol-in-Gaurhoth, the Isle of Werewolves, and there he was known as their lord.
Ten years later Finrod Felagund, the king of Nargothrond and former lord of Tol Sirion, died protecting Beren in captivity there; soon afterwards Lúthien and Huan the Wolfhound defeated Sauron in that place and rescued Beren from the dungeons. After his resounding defeat by Lúthien, Sauron seemingly played little part in the events of the First Age.
After his master was defeated and cast out by the Valar, Sauron repented (truly at first, if only out of fear) and pleaded for mercy. But he was unwilling to go to the Uttermost West for judgment, and so fled and hid in Middle-earth.
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