Stories up for grabs

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The Banishing sounds like it would be more fitting for a Diablo addon or the like. Not that it's bad, but it's pretty standard holy-knight-against-demons stuff is what I'm saying. Maybe you could try and make it more ambigous and interesting somehow?

Think of Shadow over Innsmouth for example. The Deep Ones could be considered evil in what they ask of the people of Innsmouth, but they have also brought prosperity to them in return. It's sort of a symbiosis and thus perfectly understandable why the villagers would choose to make a bargain with them and defend their secret towards outsiders.

Also the motivations of the protagonist for investigating the village are a at first not directly connected to what's really happening there, so the reader (or player in case of the Call of Cthulhu - game) can discover the secrets along with the protagonist which makes for a more intriguing story arc overall.
I personally find that approach more interesting than simply getting an order to "go there, destroy that" from a superior.