Just as the professors and Headmaster Dumbledore were reaching the verge of exhaustion, a strange and chaotic disturbance suddenly broke out among the frantically attacking demon beasts.
They seemed to be reined in by an invisible force, their movements turning sluggish and disorderly.
Immediately afterward, as if responding to some mysterious summons, the group of demon beasts began to slowly retreat. The fierce and ferocious light in their eyes gradually faded, replaced by a trace of panic and unease.
Chapter 267