Warning: Spoilers for the “A Court of Thorns and Roses” series below.

After Sarah J. Maas announced the long-awaited sixth installment of her “A Court of Thorns and Roses” (“ACOTAR”) series earlier this year, it was only a matter of time before the beloved romantasy saga started making the licensing partnership rounds. Ahead of Tuesday’s release of “A Court of Splintered Harmony,” brands are catering to one of BookTok’s biggest audiences by stepping into the spellbinding world of Prythian with character-inspired fragrances, Bat Boy embroidered panties and even a Monopoly board. (Yes, really.)

But these aren’t your typical licensing partnerships. Many popular book series first became blockbuster movies or fan-favorite TV shows before venturing into the lucrative world of fan merchandise, but with “ACOTAR,” brands are exclusively pulling from words on a page.…