Here's a list of inspiration sources that helped me to develop "Hic Sunt Dracones" and may help you to play in the campaign…

Books

"Gormenghast" series by M. Peake

"Calenture" by Storm Constatine

"Monster Blood Tattoo" series by D. M. Cornish

"Stardust" and "1602" by Neil Gaiman

"Jonathan Strange & Mr Norrell"and "The Ladies of Grace Adieu" by Susanna Clarke

"Scar Night" by Alan Campbell

"His Dark Materials" by Philip Pullman

"Le Capitaine Fracasse" by Theophile Gautier

The "Edda of Snorri"

"Le Città Invisibili" by Italo Calvino 

"Q" by Luther Blisset

"Il Nome della Rosa" by Umberto Eco

All Books by China Mieville

Movies

"Forbidden Empire" by Oleg Stepchenko

"Le Pacte des Loups" by C. Gans

"Pluckett & Macleane" by Jake Scott

"Labyrinth" by Jim Henson

"The Adventure of Baron Munchausen" and "The Imaginarium of Doctor Parnassus" by Terry Gilliam

"L'Arcano Incantatore" by Pupi Avati

"Hellboy and the Golden Army" and "El Labirinto del Fauno" by Guillermo del Toro

"The Baby of Macon" and "Prospero's Books" by P.Greenaway 

Anime

"Full Metal Alchemist" by Hiromu Arakawa

"Laputa" and "Nausicaa" by Studio Ghibli

Video Games 

"Dragon Age Series" by Bioware

"Final Fantasy IX" by Square