The Dragon Empire Series is Joanna White’s second book series.  It is currently unpublished but its free to read on Wattpad.  

In a time of conquering and war, The Dragon Empire has taken over most of the known galaxy.  Any free worlds are considered barbaric.  The Magi have been hunted to near extinction and there is no one left to stop the Empire in its conquest… 

Or is there? 
You can find the first book of the Dragon Empire Series on Joanna White’s wattpad profile at: https://www.wattpad.com/user/jesusfreak202