Vass and Kron

Normally, Magical Beast tides wouldn't happen unless they were maddened or being commanded by a higher stage magical beast.

If both of the above weren't true, then there must be a reason for the slaughter they conducted.

The Five-Clawed Rat Elder glanced at a direction causing Davis's head to turn. There, he saw a few rat corpses and half-bitten human corpses.

The rats, one of them being bigger than a horse, while the other the size of a normal horse like the other Five-Clawed Rats. There were also four baby rat corpses beside the former corpses.

Davis's eyes narrowed into two slits. He was astonished to see the six claws on the body of the rat which was bigger than a horse, 'A Six-Clawed Rat! An Earth Rank Magical Beast!' 

Different from the Mortal Rank Magical Beasts which were shackled by their bloodlines, the Earth Rank Magical Beasts can take demi-human form once they step into the Spirit Beast Stage.