Cersei is the Queen Regent of Westeros and mother to the young King Tommen. Following the death of her father, she seizes de facto control of the kingdom. Driven by a childhood prophecy, she aggressively works to eliminate perceived threats to her power, focusing her paranoia on the Tyrell family. Her ruthless ambition masks deep-seated trauma and insecurity regarding her position.

Jaime is Cersei's twin brother and the Lord Commander of the Kingsguard. Having lost his sword hand, he struggles to redefine his identity and martial prowess. He grows increasingly disillusioned with Cersei's erratic rule, seeking instead to fulfill his military duties and negotiate peace in the war-torn countryside.

Brienne is a physically imposing and highly skilled warrior who adheres strictly to the chivalric code, despite lacking formal knighthood. Mocked for her appearance and for defying traditional gender roles, she remains steadfastly devoted to her oaths. She wanders the continent determined to honor a promise made to protect the Stark daughters.

Sansa is the eldest surviving daughter of House Stark. Having escaped the dangerous political climate of King's Landing, she adopts a fictitious persona to hide from those who want her dead. She sheds her earlier naivety as she learns the arts of deception and courtly intrigue from her opportunistic mentor.

Arya is the fierce and independent youngest daughter of House Stark. Driven by a desire for vengeance against those who destroyed her family, she seeks out a secretive religious order to train as an assassin. She adopts new personas, such as "Cat of the Canals," but struggles to abandon her true identity and the traumatic memories of her past.

Samwell is a studious and physically unsuited member of the Night's Watch. Banished by his cruel father for his lack of martial skill, Sam finds purpose in books and knowledge. He is tasked with traveling to Oldtown, facing the dangers of a harrowing sea voyage while looking after his vulnerable companions.

Aeron is a priest of the Drowned God and a member of the ruling family of the Iron Islands. Following his brother Balon's unexpected death, he calls for a "kingsmoot" to settle the succession crisis without bloodshed. He is deeply pious and strictly adheres to the traditional, harsh customs of his people.

Asha is the fierce, independent daughter of Balon Greyjoy. Rejecting traditional female roles, she commands her own ship and campaigns to rule the Iron Islands. She offers a pragmatic vision of peace and strategic alliances, hoping to end her people's cycle of unwinnable wars.

Victarion is a formidable ironborn warrior and brother to the late King Balon. He believes his martial strength and adherence to old ways make him the rightful heir to the Seastone Chair. He harbors deep resentment toward his older brother Euron for a traumatic past betrayal.

Euron is the oldest surviving brother of Balon Greyjoy. Banished years ago, he returns immediately upon his brother's death with grandiose promises of dragons and total conquest. He is charismatic and highly unpredictable, largely disregarding traditional piety to achieve his vast ambitions.

Arianne is the eldest daughter of Prince Doran Martell and heir to Dorne. Frustrated by her father's perceived inaction following her uncle Oberyn's violent death, she orchestrates a risky political rebellion. She is passionate and deeply protective of her birthright.

Doran is the ruler of Dorne, suffering from severe gout that confines him to a chair. Viewed as weak and overly cautious by his fiery relatives, he prefers long-term strategy over rash violence. He struggles to maintain peace in Dorne while managing his family's demands for retribution against the Lannisters.

Tommen is the eight-year-old King of Westeros following the sudden death of his brother. Gentle and highly impressionable, he is easily influenced by the strong personalities around him. His fondness for his new wife causes great anxiety for his mother.

Margaery is a young, politically astute noblewoman from House Tyrell. Through her marriage to Tommen, she secures her family's powerful position in King's Landing. She quickly wins the affection of the young king and the common people, drawing the paranoid ire of the Queen Regent.

Petyr, often called Littlefinger, is the newly appointed Lord Protector of the Vale. A master of political intrigue, he effortlessly outmaneuvers his rivals through bribes and psychological warfare. He takes a predatory and proprietary interest in Sansa, grooming her to be a political player in his wider schemes.

Often called the "High Sparrow," the new head of the Faith of the Seven rises from humble origins to command immense power. He leads an ascetic, grassroots religious movement focused on feeding the poor and punishing elite corruption. He shrewdly negotiates with the crown, trading financial forgiveness for the reestablishment of the Faith's military arm.

Podrick is a young former squire who stubbornly follows Brienne of Tarth. Despite his awkwardness and youth, he is deeply loyal and determined to fulfill his perceived duties to his former master's family.

Aemon is the ancient, blind maester of the Night's Watch. His failing health deteriorates further during a harsh sea voyage to Oldtown, though his mind remains fixed on ancient prophecies and the fate of the kingdom.

Gilly is a young wildling woman sent south for her own protection. Traumatized by being forced to leave her infant behind in a tactical swap to protect another child, she struggles with severe grief during the long voyage before finding comfort in her bond with Sam.

Tywin was the formidable patriarch of House Lannister and de facto ruler of Westeros. Though he is dead as the story begins, his legacy, strategic mind, and demanding expectations cast a massive shadow over his children's actions and the political stability of the kingdom.