Fomorians

Origins and Mythology

In the epic, sweeping narratives of Irish mythology, particularly the Mythological Cycle, the world is defined by a constant struggle for control over the island of Ireland. The ultimate, recurring antagonists in this struggle are the Fomorians (Old Irish: Fomóire or Fomóraig).

They are an ancient, semi-divine race, often considered the predecessors or the dark reflections of the gods themselves. Their name is generally believed to mean “the under-demons” or “the giants of the sea,” and they are intimately connected to the chaotic, destructive aspects of the natural world: violent storms, the freezing, untamed ocean, blight, and disease.

The Monstrous Giants

The physical description of the Fomorians is starkly contrasted with their primary rivals, the beautiful and civilized gods known as the Tuatha Dé Danann. While the Tuatha are luminous and perfect, the Fomorians are almost universally depicted as hideous, deformed, and monstrous.

• The Deformities: Early texts often describe them as possessing bizarre and terrifying physical anomalies. Some are said to have the body of a man and the head of a goat or a horse. Others might have only one eye, one arm, or one leg, emphasizing their unnatural, chaotic origins.
• The Size: They are frequently described as massive, hulking giants, capable of immense physical destruction.
• The Exceptions: Interestingly, not all Fomorians were hideously deformed. Some, particularly those who intermarried with the Tuatha Dé Danann (like Elatha or his incredibly handsome son Bres), were remarkably beautiful. This highlights that their “monstrosity” was as much about their chaotic, destructive nature as their physical appearance.

The Oppressors of Ireland

The Fomorians did not build great cities or establish civilized rule. Instead, they acted as brutal oppressors and raiders. Throughout the Mythological Cycle, they constantly harass and demand ruinous tributes from the various groups that attempt to settle Ireland (such as the followers of Nemed or the Fir Bolg).

Their demands were exceptionally cruel. In one famous legend, they demanded a tribute of two-thirds of the settlers’ children, grain, and milk every year on the festival of Samhain, threatening the complete starvation and annihilation of the island’s inhabitants if refused.

The Evil Eye of Balor

The most famous, powerful, and terrifying of all Fomorians was their champion and king, Balor (often called Balor of the Evil Eye or Balor of the Piercing Eye).

Balor was a giant of immense, destructive power. He possessed a single, massive eye in the middle of his forehead. This eye was normally kept closed, as its gaze was instantly lethal. The lid was so heavy that it took four of his strongest warriors to lift it using ropes and hooks attached to his brow.

When Balor’s eye was finally opened upon a battlefield, it unleashed a beam of pure, destructive energy. Its gaze would instantly annihilate entire armies, scorch the earth to ash, and shatter fortresses.

The Second Battle of Mag Tuired

The ultimate conflict between chaos and order culminated in the Cath Maige Tuired (The Second Battle of Mag Tuired).

The Tuatha Dé Danann, having established their rule in Ireland, finally rose up against the oppressive Fomorians. The battle was apocalyptic, a clash of gods and monsters. The Tuatha were led by Nuada (with his silver arm) and the brilliant, multi-talented hero Lugh (who was, ironically, the grandson of the Fomorian king Balor).

The turning point of the battle came when the terrifying Balor finally entered the fray. He ordered his attendants to lift the heavy lid of his Evil Eye. As the lid began to rise, preparing to incinerate the entire Tuatha army, Lugh acted with supernatural speed.

Lugh loaded a massive sling (or cast a magical spear) and hurled a heavy stone with incredible force. The stone struck Balor’s eye precisely as it opened, driving the massive eyeball backward directly through the giant’s skull.

The destructive beam of the Evil Eye blasted out of the back of Balor’s head, instantly incinerating his own Fomorian army behind him. With their champion dead and their forces devastated, the Fomorians were finally defeated and driven into the sea, allowing the Tuatha Dé Danann to usher in an era of prosperity and order in Ireland.