In the books, it was mentioned that the Demon Lord had four Generals who became quite a hurdle for the Hero's party during their quest to defeat the epitome of evilness.
Valerie remembers those four beings—their description was enough for her to know what kind of strength they must have held to even trouble the legendary warrior Kane.
That's why, when she came across the one who was riding the wyvern, she knew that it wasn't a Demon General.
'It is a Greater Demon, but not a General...' A General-ranked demon would at least take a group of S-rank veterans to defeat. However, the one she was looking at, didn't give off that presence which could make her feel threatened.
Around the shore, chaos raged as the team from the Union Council, alongside the soldiers, desperately held the line.
Seventeen council members and a hundred soldiers remained, barely keeping the danger from spilling further inland.