Ai Da Gan in Kingdom: Ashin of the North Explained

The Catalyst of Chaos: Decoding Ai Da Gan in Kingdom: Ashin of the North

Netflix’s Kingdom universe is celebrated for its dense political maneuvering, high-stakes historical tension, and, of course, bone-chilling hordes of the undead. Released as a special feature-length sidequel, Kingdom: Ashin of the North peeled back the layers of the franchise’s overarching mythology, exploring the origin of the resurrection plant and the tragic genesis of its main executioner, Ashin.

Amidst a grim landscape of geopolitical betrayal, one character stands out as a focal point of devastation: Ai Da Gan (also spelled Aidagan), brilliantly brought to life by acclaimed actor Koo Kyo-hwan. Though his screen time is relatively brief, Ai Da Gan’s shadow looms large over the entire Kingdom timeline.

Who is Ai Da Gan?

Ai Da Gan is introduced as the fierce, formidable chieftain of the Pajeowi (United Jurchen Tribe). Operating along the volatile northern borders of the Joseon Dynasty, he capitalized on the chaos of a kingdom weakened by war to rapidly unite various northern factions.

Described as a ruthless military commander, Ai Da Gan commands absolute dread. He is physically imposing, lightning-fast in combat, and displays a chilling mix of strategic cunning and animalistic brutality. Where the Pajeowi ride, violence and bloodshed follow, making him a major geopolitical threat to a Joseon military already buckling under internal corruption.

The Catalyst for Genocide: Manipulation and Tragedy

Ai Da Gan’s most significant—and catastrophic—impact on the plot stems from a tragic chain of misunderstandings and state-sponsored deception:

1. The Border Skirmish: Members of the Pajeowi tribe cross illegally into a forbidden Joseon territory and are killed.
2. Joseon Cover-Up: To prevent a full-scale border war (Horan), Joseon military commander Min Chi-rok covers up the deaths. Seeking a scapegoat to pacify the aggressive Jurchens, Min Chi-rok manipulates Ai Da Gan into believing that fifteen Pajeowi tribesmen were brutally murdered not by soldiers, but by the innocent villagers of Seongjeoyain—the very village where young Ashin’s family lives.
3. The Massacre: Enraged by the perceived betrayal and slaughter of his people, Ai Da Gan leads a vicious retaliatory raid, wiping out Ashin’s entire village.

By falling victim to Min Chi-rok’s political chess game, Ai Da Gan becomes the unwitting instrument of mass murder—a massacre that leaves Ashin as the sole survivor and transforms her into a vengeful force of nature.

Koo Kyo-hwan’s Unforgettable Portrayal

Actor Koo Kyo-hwan infused Ai Da Gan with an unpredictable, magnetic energy. Eschewing a generic, one-note barbarian villain archetype, Koo portrayed Ai Da Gan with layers of raw intensity, physical agility, and an eerie calmness that contrasted sharply with his capacity for extreme violence.

His performance made a lasting impression on fans and critics alike. Despite limited dialogue and screen time, Ai Da Gan felt like a genuine apex predator of the northern frontier—someone whose presence commanded the screen.

The Ultimate Retribution

Every action has a reaction, and Ai Da Gan’s brutal eradication of Ashin’s village sealed his own fate. Years later, after training relentlessly in secret, a hardened Ashin executes her long-awaited vengeance.

When Ashin finally confronts the Pajeowi forces, she systematically dismantled their power structure. In his final moments, Ai Da Gan meets his end at the hands of Ashin, who strikes him down with a precise, fatal arrow to the head—symbolically bringing full circle the cycle of violence he was tricked into starting.

Why Ai Da Gan Matters in the Kingdom Legacy

Ai Da Gan is more than just a temporary antagonist; he is the linchpin of the Kingdom mythology. Through his actions, the resurrection plant is weaponized, Ashin’s tragic metamorphosis is completed, and the seeds are planted for the zombie epidemic that threatens to consume the entire Joseon Dynasty in the main series. He represents the tragic human cost of empires playing political games on the edge of the map.