Reborn Banshee, Reborn Heiress, and the Salvation of the World: The Silvery Cinderella Chapter 453: Your Research Subject
"Progenitor Dragon fossils—if I remember correctly, Progenitor Dragons are the wingless dragon ancestors of both the Black Dragon Species and the Blue Dragon Species, right?" Melina chimed in.
"Those are fiercely aggressive dragons. Even with the undead rising, they'll likely retain every bit of that destructive nature."
Chapter 453