Bichan's helmet includes patterns seen on traditional Korean artifacts like Haetaes and Hahoe masks.

The prophetic image that Ara sees in the cobble is meant to show the silhouettes of several Star Wars icons: Queen Amidala, Darth Vader, and the Skywalker twins.

Writer Chung Se Rang discovered the saga during middle school, when Star Wars: The Phantom Menace was released. She has been a fan ever since, and follows the motto "Live like an X-wing pilot."

According to art director Kang You Tae, visual inspiration came from Seoul's Haetae statues (depicting a mythic creature) in Gyeongbokgung Palace and the jade green color of Goryeo celadon.

Octoganal shapes, often used in religious architecture, were employed in the design of the Dolgarak temple.