Honestly? I’d crank out the fictional settings I’ve been tinkering with for a long time (one a military-political science fiction setting, the other a dark fantasy one).

Part of the problem is that I tend to think and create visually, so I don’t feel writing really captures either very well. I can picture, in my head, how I want to visually frame the most enthralling or emotional moments… but translating them to words never seems to capture it. So an AGI that could produce the media from my imagination on-demand is pretty much a dream come true.