Enyo

Enyo (Ancient Greek: Ἐνυώ) is a goddess of war. She is Ares's sister, and daughter of Zeus and Hera. As goddess of war, Enyo is responsible for orchestrating the destruction of cities, often accompanying Ares into battle.

The Blood of Olympus
Enyo is mentioned by Reyna Ramirez-Arellano, who compares her to her mother Bellona.