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Does your story have a character who starts out as a loyal supporter of the protagonist, but later realizes what a monster she is, and then turns against her? If so, that character is an ideal nar...
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Source: https://writers.stackexchange.com/a/47958 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/
#2: Initial revision
Does your story have a character who starts out as a loyal supporter of the protagonist, but later realizes what a monster she is, and then turns against her? If so, that character is an ideal narrator. The reader will follow the narrators point of view and gradually make the same realization with the same dread. If you want to foreshadow this, you can make the narrator makes excuses for the protagonist. And feel sorry for the protagonist who has to carry the weight of her "necessary cruelty" while the protagonist herself doesn't seem to be carry any weight at all.