Thanks! I'd been fretting a little that so many entries focus on mechanics — felt a bit odd one out. Glad to hear it landed well with you!
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Honestly, I find the ones with setting hooks a bit easier to be inspired by, rather than having to come up with a premise to match the mechanics. I ended up going the same direction myself, and you inspired me to start daydreaming about the last city at the end of the world, so it's been effective/affective for me.