Twilight of the Warriors: Walled In does not feature identifiable LGBTQ+ characters or themes. The film's narrative is centered on action, gang conflicts, and socio-political allegory, with no mention of queer identities or storylines in consulted sources.

Twilight of the Warriors: Walled In does not feature transsexual characters or themes. The film's plot centers on action and martial arts within the Kowloon Walled City, exploring themes of loyalty and survival among its inhabitants, without delving into gender identity issues.

The film primarily focuses on male protagonists and their struggles within the Walled City. Available information does not indicate the presence of significant female fighters or scenes where female characters defeat male opponents in direct physical combat.

The film's narrative and cast primarily focus on male characters and male-dominated action, with no mention or indication of any established characters having their gender changed from source material, previous installments, or historical records.

The film centers on ethnic Chinese and Chinese-Vietnamese characters within a historical 1980s Hong Kong setting. The provided information explicitly states that the cast and characters reflect the local ethnic makeup, with no noted instances of race swapping.