Well when Ты start all Ты need is a Character Профиль and Ты can jump in. Here's the link for that.
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Now if Ты want to start on familiar territory then start somewhere in camp which Ты can find most of the Ссылки for camp here.
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The огонь in the Middle of the Cabins. Ты might even run into Hestia. So this is all Ты need and have fun!