The most mentally damaging Domain Expansion

This stupid question is for the JJK Fans of Reddit.

Your task is to create the most psychologically damaging Domain that doesn't physically hurt. How would it play out?

I'll start for some inspiration.

Domain Expansion: [Schumer Theatre]

Victim is transported to a theatre, where they are tied to a chair forced to watch a 'Best of Amy Schumer' for 8 hours straight.