anyone have a full 3.9 completed save they can share?
Here - you need to rename the files (remove the "LA3" at the start); this is all stories / LIs at 100%, minotaur beaten & spell stats / cash out of the wazoo. You're also class champion at the new Tournament thing (+20 odd points in front) and have only been beaten once in the weekly points battle (I think I was testing out if there was any content outside of the town) and your spell skills are 250+.
Oh, and you'll probably want to turn off LGTB+ options, since I was 100% the entire thing, which means you're romancing the dude as well.
Some scenes are not unlocked, since I did a quick run through LA1>3 without hanging around for non-story events.
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As an aside: I kinda wished I liked this more than I actually do - it has a really bad UI bump change between the house and the main college which is really annoying. In the end I just use the menu to quick move everywhere instead.