As many guardians know every hunter has a cloak. But not all know where they come from, a hunters cloak is a symbol. Every thread an enemy of the light the hunter has ended. As the hunter kills the shroud grows. Until you can no longer count the strands and you know by the intricacy and the splendorous design that the hunter has brought much death for the light and will continue for much, much, longer. But all capes get tarnished, and when tarnished they must be repaired and to be repaired and to repair the cape much, much, more silk must be used. and with the silk much, much death.
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That's a really dark way of looking at what is supposedly a representation of the light.