Owen Glendower enters the play as the representative of an older, vanishing world—one of prophecy, magic, and the supernatural. He appears only in Act 3, Scene 1, at the rebels’ meeting in Bangor, where the tripartite agreement is being drawn up to divide England, Wales, and the northern territories among the conspirators. Yet his absence from the battlefield at Shrewsbury proves more consequential than his presence. Glendower claims to command spirits from the vasty deep, to have caused earthquakes at his birth, and to possess knowledge of future events written in prophecy. Hotspur, the impatient and honor-obsessed warrior of the new age, treats these claims with open contempt, mocking Glendower relentlessly and dismissing his supernatural pretensions as mere boasting.
The relationship between Glendower and Hotspur embodies the play’s deeper concern with the transition from medieval to early modern England. Glendower represents magic, music, romance, and the non-rational forces that once held power in the realm. He is not portrayed as a liar or charlatan—his daughter loves Mortimer genuinely, and the scenes with her suggest a world of real beauty and feeling. Yet Hotspur’s skepticism and rudeness gradually alienate him. Glendower’s decision to withdraw from the rebellion, citing prophecies that forbid him to fight, costs the rebels their crucial Welsh forces and directly contributes to their defeat at Shrewsbury. His withdrawal is presented not as cowardice but as a kind of inevitability: the old world, no matter how sincere or powerful it feels, cannot survive in a realm ruled by calculation, language, and political pragmatism.
Glendower’s final absence speaks louder than his brief presence. The play suggests that England’s future belongs to men like the Prince of Wales—those who can speak multiple languages, touch all classes of people, and navigate both the rational and the intuitive. Glendower’s Wales remains beautiful, mysterious, and deeply felt, but it is also peripheral, ultimately unable to sustain itself against the forces of centralized English power. His character embodies the pathos of historical displacement: not evil or foolish, but simply outmoded.