Destiny: Betrayal

I was originally going to post this idea on the forums, but it wouldn't let me.
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Imagine Sloane being corrupted by the Traveler's twin. She had many lovers in the past, all of them died whether by her enemies, illnesses, or age. She watched as all of them died, slowly chipping away a piece of her, until all that remained is the Sloane is now know. Tired of living in the Traveler's light, when all she dies for, the happiness, the freedom of love and sacrifice, is constantly for naught, she turns on her friends, Zavala, the famed Guardian, even on Amanda, and goes rogue.

Seeing the power from the Dark One (The Traveler's twin), in controlling the Hive and the Fallen, she swears her undying loyalty to him, in order to bring back the pieces she had lost over the centuries fighting as a Guardian. Only then could she truly feel at peace, only then could the Guardian confront her Commander's past, of why she betrayed them, could they feel the pain and the torment of Sloane's bitter lives.