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The First Giant War was a divine war fought by the Olympians and the giants following the defeat of the Titans during the First Titan War.

The War

Hecate (left) fighting with Clytius and Artemis (right) fighting with Gration.

The cause of the First Giant War was the gods' defeat of the Titans. In anger, Gaea took Tartarus, the protogenos of the abyss, as a husband and bore the race of giants, each giant being the rival of a different Olympian god or goddess. Like the Olympians, the giants were led by the youngest of their number, Porphyrion, who was the antithesis of Zeus. The eldest, Alcyoneus, was born to oppose Hades, the eldest Olympian. The Olympians called upon the aid of Hercules after a prophecy warned them that they would need the aid of a mortal woman's son. Athena, instructed by Zeus, sought out Hercules and requested his participation in the battle.

The Olympians fought the giants with the Fates' assistance before the aforementioned prophecy was made. This means that the giants would have overcome them if Hercules hadn't fought.

Thus, in the First Giant War, the Fates, Hercules, Dionysus (who was a demigod then), and Hecate, along with the Olympians, defeated the giants.

List of Giants

Some of the giants identified with individual names: