User blog comment:Zippertrain85/The reasons why Serana is not from the First Era./@comment-3217145-20130510005609/@comment-26474238-20130514080908

I don't think Cyrodiil is ever actually mentioned during that particular bit of dialogue with Serana. I'm not 100% on that, though. I'll have to go in and do a bit of digging into her dialogue again.