fanfiction and derivative works situation

I publish illustrative scenarios prepared by my practice. All participants and conversations are fictional. The fictional posts are not posts by real users, accounts of client experiences, or reports of actual results.
Illustrative scenario prepared by my practice.
For informational purposes only. This is not legal advice. Laws vary by jurisdiction. Consult a qualified attorney for advice specific to your situation.
Hypothetical question

I'm in a difficult situation and trying to figure out my next steps.

fanfiction and derivative works. I've been dealing with this for about 6 months now and the situation isn't improving.

What are the risks if I pursue this? What's the likely timeline?