The individual responsible for the death of Craster is a man named Karl. He played a prominent role in leading a mutiny at Craster's Keep, a desolate place located beyond the Wall in the land of the Free Folk. Karl and his fellow mutineers, who were primarily former criminals, orchestrated a violent takeover of the keep, resulting in the deaths of both Craster and the respected Night's Watch commander, Jeor Mormont.
The mutiny at Craster's Keep was a disturbing event, characterized by chaos and lawlessness. Karl and his comrades, fueled by their own selfish desires and disregard for authority, turned against their sworn brothers of the Night's Watch. It was a betrayal of the highest order, as they not only killed their fellow men but also dishonored the sacred duty they had sworn to uphold.
The mutineers, led by Karl, saw an opportunity to seize power and control over Craster's Keep. This isolated outpost was known for its sinister practices, with Craster himself being a deeply unpleasant and abusive man. However, the mutineers' actions were not driven by a sense of justice, but rather by their own lust for power and freedom from the constraints of the Night's Watch.
In their rampage, Karl and his cohorts displayed a complete disregard for the lives of others. They reveled in their newfound authority, taking advantage of the women at the keep and indulging in debauchery. Their actions were a stark contrast to the principles and values upheld by the Night's Watch, which were centered around duty, honor, and the protection of the realms of men.
However, Karl's reign of terror was short-lived. A band of loyal Night's Watch members, led by Jon Snow, tracked down the mutineers and launched a counterattack. Jon Snow, having witnessed the mutiny firsthand and mourning the loss of his beloved commander Mormont, was determined to bring justice to those responsible.
The ensuing confrontation between Jon Snow's group and the mutineers was fierce and brutal. It was a battle for the soul of the Night's Watch and the honor of the realm. Ultimately, Karl and his fellow mutineers met their demise at the hands of Jon Snow and his loyal men. The Night's Watch, though diminished in numbers, prevailed over the treachery that had taken hold at Craster's Keep.
The story of Karl and the mutiny at Craster's Keep serves as a reminder of the dangers of power unchecked and the consequences of betraying one's oaths. It showcases the lengths to which individuals can go when driven by self-interest and the importance of upholding the principles that bind us together as a society.