Yeah the bug was that the even that actually starts the boss fight didn't run. The first Alexander is for the fight, the second Alexander is for after the fight.
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I realized because of this comment that I didn't post the latest devlog for the last update, so here's the link for that, which includes the changelog for the upcoming update. https://stickyicky.itch.io/crossdressing-in-camelot/devlog/732416/version-046-pu...