Green Snake portrays a deeply affirming and complex bond between its two female leads, Verta and Blanca, with Verta's unwavering devotion often read as romantic. The film treats this intense connection with dignity, making it the driving force of the narrative. Brief, non-problematic depictions of other same-sex attraction further contribute to a net positive impact.

The film features a genderfluid fox demon who naturally shifts between male and female forms. This aspect of the character is presented neutrally as a magical trait, neither a source of conflict nor a central theme, and does not influence their moral alignment or narrative function.

The film features Xiao Qing, a powerful demon, who repeatedly engages in and wins close-quarters physical fights against numerous male demon opponents. She utilizes martial arts and her enhanced physical abilities to overcome them.

The film portrays the Buddhist monk Fahai as a rigid, uncompassionate antagonist whose dogmatic actions cause immense suffering for the protagonists. The narrative critiques his interpretation of righteousness, positioning his faith's application as problematic and oppressive.