To determine the universal theme of the passage you mentioned, we need more context about its content. However, based on the themes you've provided:
- Survival of the fittest often relates to competition and adaptation in harsh circumstances.
- Good versus evil typically explores moral conflicts between opposing forces.
- Power may involve control, influence, or authority dynamics among characters.
- Love generally encompasses relationships, emotions, and bonds between individuals.
If the passage suggests characters struggling for existence in a challenging environment, then "survival of the fittest" might be the theme. If it emphasizes moral dilemmas, then "good versus evil" could be most fitting.
Please share more details from the passage for a more accurate identification of the theme.