“Unleashing the Beast: The Secret Strategies to Ignite Your Monster’s Motivation!”
If your monster doesn’t adhere to some sort of set of rules (even if they are never made clear to the characters or audience) it pouches credulity… which is kind of an absurd thing to say, again, what motivated the Blob?
But here’s a thing…
Human brains look for patterns and logic, even subconsciously. If your monster appears/acts/attacks in random ways, people will sense something is off about it.
Read More: What is Symbolism and How Do You Use It In Your Writing


‘The Babadook’ (2014)
Know the Monster Story Beats
Now, the other half of this equation—monster story beats. Regardless of your chosen outlining and story-breaking methodology, be it classic Hollywood three-act structure à la Save the Cat or a story circle or something of your own design—within that structure, there are five key story beats that apply to your monster.