As they struggle through the events of the plot, they’ll usually encounter a series of obstacles and breakthroughs. These obstacles and breakthroughs often come in the form of secondary characters, each of whom experiences the world differently to them in ways that are specific and necessary to the story. They’ll try to force the protagonist to see the world as they do. By grappling with these characters, the protagonist’s neural model will be changed, even if subtly. They’ll be led astray by antagonists, who’ll represent perhaps darker and more extreme versions of their flaw. Likewise,
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