Catoblepas

Catoblepas was a large wolf-like animals that was native to Ethiopia. They are now extinct.

Description
These wolf-like beings looked almost exactly like wolves other than that they were much larger than average wolves were and their heads hung low so their eyes were looking down at the ground. Their gaze could permanently paralyze a person and their breath was poisonous. They were classified as Class 3 but since they are extinct they have been removed from the list.