Mythology Overload in Fantasy Writing

"This is taking long, but I feel like it's worth talking about," he says. "I'm reading scripts with story worlds with like three prophecies, prophecies on top of prophecies and 20 to 30 magical creatures." He creates a beastiary for each script so that he can show the writer how well they've written his or her stories. The author then moves on to another problem in fantasy writing: mythology overload.