Some quick notes on two things that are different in the Advancedverse, AU-wise, even before an alien fell out of the sky:

1. Since I'm effectively replacing Earth with Equus in this AU, for one reason, and since it saves time and confusion to not have more than one species of hominin running around, the Advancedverse does not contain Star Swirl's universe-crossing mirror. It contains an awful lot of Star Swirl's mirrors, just not that one.

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