[quote=LaXnyd]
I'm just imagining the massive civil upheaval and social revolution/renaissance that the Eternal Union would have had to do in order to let them advance in the age of science in the first place...
[/quote]

A majority of their things are magic, but they still have worked on science as well. Its pretty much stated in their religion that to reach Utopia science and magic must both be advanced.

Edit:They have always used regular science with there magic, they integrate the two. Hence why you will hear me reference magitech sometimes.