Related Clues:

• Martial Greek god
• War god who was on the losing side of the Trojan War, so obviously he's great at his job
• Ancient Greek god who banged his sister Aphrodite on the regs
• Greek god who birthed Fear and Terror
• Olympian worries about disappearing
• He's attended by Fear, Panic and Trembling
• 'Wrath of the Titans' antagonist
• Warring deity
• Deity wanting manna for the gods, by all conclusions
• God whose symbols include a spear and helmet
• Hippolyta's sire
• 'Xena: Warrior Princess' antagonist
• Helmeted deity
• A god of war
• Mars, to Homer