Lore spoilers:
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So now we know that Shin is the instigator of the shadows of Yor, that Malfeasance and Thorn can be used as ‘dark’ weapons to fight the dark (Shin’s philosophy), and that the most evil we as a guardian can be is ‘grey’.
So much for a choice of allegiance. Pick the vanguard and be a goodie goodie or pick the drifter and Thorn and be slightly okay with using darkness as a weapon.
Anon the 9’s leak that D3 will have dark subclasses better be true. The fact that the Dredgen title is so popular shows people like to try and play it bad. But when will Bungie let us
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I mean...you’re literally choosing to use the Darkness itself. So..I would say you become a dark Guardian.