Repetition at its best- Repeating murders in history.
Blood is dripping down your chest- Tribal markings on shoulders stretch to be almost dripping down her chest. Can also refer to the fact she killed her mother and many more.
Raise your weapon, you savage beast-
Weapon can be self, attitude, or even wings. Savage beast, pers. ref.
And come make five at our feast-5 Pegasi in the WE