“Unleashing the Beast: The Secret Strategies to Ignite Your Monster’s Motivation!”
Or you can reveal that single motivator as a key plot point. It took eight movies to find out Michael Myers just wanted to go home. Freddy Krueger is seeking revenge on all the parents who killed him in a vigilante mob by toying with their kids.
All we know is that this sort of monster doesn’t stop. You can still build an arc around this, only revealing bits of the monster over time as they become more (hungry/angry/horny) along the way as the story chugs along.
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