No information was provided regarding the film's content, characters, or themes. Consequently, an evaluation of LGBTQ+ portrayal cannot be made, and it is categorized as N/A due to the absence of identifiable elements for assessment.

No information about the film '{屠龙}' was provided, therefore an evaluation of its portrayal of transsexual characters and themes cannot be conducted. The film's net impact is N/A.

The movie does not contain any action or adventure elements.

No information is provided regarding source material, prior adaptations, or historical figures for the film "{屠龙} (1970)". Without an established canonical or historical gender for any character, it is not possible to identify a gender swap.

The provided information only includes the film title and year, with no details about source material, prior adaptations, or historical figures. Without a baseline for character races established before this 1970 film, it is not possible to determine if any race swaps occurred.