The Worm Ouroboros by E. R. Eddison, first published in 1922, is a landmark work of early epic fantasy that helped shape the genre long before it became widely popular. Set in a richly imagined secondary world known as Mercury, the novel presents a heroic saga of war, honor, and fate, written in a deliberately archaic and elevated style inspired by Norse mythology, Renaissance romance, and Elizabethan prose. The story centers on the noble lords of Demonland and their long and brutal conflict with the kingdom of Witchland, ruled by the formidable and enigmatic King Gorice. Battles, quests, duels, and acts of valor unfold on a grand scale, with characters driven by an unyielding devotion to glory, courage, and heroic destiny. Rather than focusing on personal growth or moral ambiguity, Eddison celebrates heroism as an end in itself. One of the novel’s most distinctive features is its language. Eddison employs archaic diction and complex sentence structures, giving the narrative the tone of an ancient epic or lost chronicle. This stylistic choice demands patience from the reader but rewards it with a sense of depth, mythic grandeur, and timelessness rarely matched in fantasy literature. Philosophically, The Worm Ouroboros explores themes of eternal struggle and cyclical existence, reflected in its title symbol—the ouroboros, the serpent that devours its own tail. Victory and defeat are intertwined, suggesting that conflict and heroism are inseparable from existence itself. Although not a commercial success upon release, the novel later gained recognition as a foundational classic of fantasy. It influenced writers such as J. R. R. Tolkien and remains admired for its bold imagination, uncompromising vision, and epic scale. The Worm Ouroboros stands as a challenging but deeply rewarding masterpiece for readers drawn to myth, legend, and heroic fantasy in its purest form.