- "Lucky for you southerners, the Free Folk rallied to a King-Beyond-the-Wall, as we will when need be, and marched on the ancient castle he'd taken for his own: the Nightfort. With the help of the Starks, we killed the demon and cleansed your precious watch. Then they thanked us, and kicked us back across the Wall, as you always have."
- ―Ygritte
The Fall of the Night's King was a battle that took place in the Age of Heroes.
History
Prelude

The Night's King and the Night's Queen enslaved the black brothers and performed human sacrifices.
Battle

The death of the Night's Queen at the hands of Brandon the Breaker.
Aftermath
The Free Folk were unceremoniously forced back Beyond the Wall and the Night's King and Queen were most likely killed for the crimes they committed, releasing the Night's Watch from their dominion.[1]
In the books
In the A Song of Ice and Fire novels, the Brandon the Breaker (said to be the Night's King's brother, according to some alternate versions of the tale) and Joramun, the King-Beyond-the-Wall formed an alliance to defeat the Night's King and free the Night's Watch from his rule. After his fall, when it was discovered that he had been sacrificing to the Others (possibly in a similar way to Craster), all records of him were destroyed and his very name was forbidden.
After the defeat of the Night's King, the rule was enforced that the castles of the Night's Watch along the Wall should never be fortified against approach from the south, so that they cannot oppose the lands south of the Wall which they are meant to defend. The downfall of the Night's King also resulted in the strict enforcement of the rule that the Night's Watch is meant to be politically neutral, as guardians who do not "rule" the Wall but who serve the realms of men.
References
Wars | |
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Wars in Westeros |
Andal Invasion · Unification of the North · Gorne and Gendel's War · Nymeria's War · Targaryen Conquest · First Dornish War · Vulture Hunt · Faith Militant uprising · Dance of the Dragons · Conquest of Dorne · Blackfyre Rebellion · Raymun Redbeard's War · War of the Ninepenny Kings · Reyne Rebellion · Defiance of Duskendale · Robert's Rebellion · Greyjoy Rebellion · War of the Five Kings · Conflict Beyond the Wall |
Wars outside of Westeros |
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