Tera Rising Bastion Brigh

Tera: Rising, a F2P MMO, developed by Bluehole Studio and published by EnMasse Entertainment.

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The story begins..
Ages ago, in a realm torn apart by war and strife, Arun and Shara chose to flee and start new lives. Using their immense power, they shaped a new universe and turned their backs on the constant struggles of the old one. They set aside their implements of war. Shara flung a ring into the sky and it burned brightly and illuminated their world. Arun and Shara laid down to rest and began to dream..
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http://tera.enmasse.com/game-guide/lore