npc thing

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THE TRAVELER or STRANGER or WANDERER or NOMAD
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Image: https://dl.dropboxusercontent.com/u/33682201/i%20can%27t%20into%20proper%20color%20scheme.png (Left is the normal npc appearance)
Specifics: Moves in, NPC dialogue indicates that everyone likes him, NPCs start becoming possessed, Traveler starts remarking on it but doesn't do anything until i don't know, eventually you can initiate a boss battle

Still ironing out all of the details and I'd rather talk with someone before actually refining the idea, but I just wanted to get a base description.