Hades
King of Underworld, Wealth, Justice, and Mercy.

4.1. Relationship with Zeus

"My brother is truly a king; he has no desire for the throne of the gods."
—Zeus (The Iliad, p.34)

Hades was Zeus’ most reliable brother and trusted ally.
After their victory in the Titanomachy, while Poseidon constantly opposed Zeus and attempted rebellions, Hades did not.
When Hera, Apollo, and Poseidon conspired to ambush the sleeping Zeus and hid his thunderbolts, it was Hades who ascended Olympus upon hearing the news from the goddess Thetis and confronted Poseidon.
This event solidified Zeus’ …