Adapting George R. R. Martin's A Song of Ice and Fire was always a monumental task. The novels are dense, sprawling, and filled with morally complex characters. HBO's Game of Thrones managed to bring Westeros to life, but not every character made the leap intact. While some were enhanced by the show's changes, others were stripped of their most compelling traits, leaving fans of the books scratching their heads. Here are five book characters the show completely ruined, ranked from bad to worst.

5. Doran Martell

Dorne was a highlight of the books, full of intrigue and vengeance. Prince Doran, Oberyn's brother, was a master strategist, hiding his plans for revenge behind a facade of weakness. In the show, however, Doran is reduced to a passive figure, and his plot against the Lannisters is barely explored. The Sand Snakes, who in the books are competent agents, become one-dimensional villains. The show's Dorne storyline is a shadow of the books' political maneuvering, and Doran's intelligence is completely lost.

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4. Euron Greyjoy

In the books, Euron is a terrifying, almost supernatural figure, with plans to use dragons and dark magic to conquer the world. He's a genuine threat, a storm on the horizon. The show's Euron, played by Pilou Asbæk, is a cartoonish pirate, more interested in impressing Cersei than in world domination. His victories feel unearned, and his menace is replaced by a cheap swagger. It's a waste of a great villain.

3. Jon Snow

Jon Snow was a fan favorite, a brooding hero with a strong moral compass. But after his resurrection, the show's Jon becomes a shadow of his former self. The books explore the psychological toll of coming back from the dead, but the show glosses over it. His parentage reveal, which should have been a dramatic turning point, is barely addressed. Jon's journey in the final seasons is a series of missed opportunities, leaving him a hollow version of the character readers loved.

2. Jaime Lannister

Jaime's arc in the books is one of the best in the series, a journey from arrogant knight to a man questioning his honor. The show, however, undoes all that growth by having him return to Cersei in the end, dying with her in a moment that feels like a betrayal of his character. The books have set up a different path for Jaime, one that seems to be leading him away from his sister. The show's choice to have him regress is a major disappointment.

1. Daenerys Targaryen

Daenerys's fall from grace in the final season was controversial, to say the least. In the books, her descent into tyranny is a slow, complex process, with plenty of foreshadowing. The show, however, rushes her transformation, making it feel unearned and out of character. Her decision to burn King's Landing, while hinted at, lacks the nuance of the books. It's a tragic end for a character who was once a symbol of hope, and the show's handling of her arc is a major reason the final season was so divisive.

These characters are just a few examples of how Game of Thrones sometimes missed the mark. While the show was a cultural phenomenon, it's clear that not every character got the treatment they deserved. For fans of the books, it's a reminder that the source material is often richer and more complex than any adaptation can capture.