No information was provided to assess the film's portrayal of LGBTQ+ characters or themes. Consequently, a net impact rating cannot be determined based on the available data.

Based on available information, the film 'Unter der schwarzen Sturmfahne' does not appear to feature identifiable transsexual characters or themes. Therefore, there is no specific portrayal to evaluate under the given rubric.

The movie does not contain any action or adventure elements.

There is no readily available information indicating that "Unter der schwarzen Sturmfahne" is an adaptation of a work with pre-established characters or that it features historical figures whose gender was altered for the film. Therefore, no gender swaps can be identified.

This 1933 German propaganda film depicts events and characters from early Nazi Germany. There is no historical or canonical evidence suggesting any character, whether fictional or based on real figures, was established as one race and then portrayed as a different race in the film.