"The Armorer" was a human female Mandalorian Armorer from Mandalore who led the Tribe, a part of the Children of the Watch, during the New Republic Era. Following the Galactic Empire's Great Purge of Mandalore, she resided with the Tribe in a covert on the planet Nevarro, where she forged armor and weapons for her fellow Mandalorians. Around 9 ABY, she forged a new set of armor for the Mandalorian bounty hunter Din Djarin using the beskar he provided. During this time, she stopped an altercation between Djarin and another member of the Tribe, Paz Vizsla, when she reminded them of the way of life they were supposed to follow.
In the aftermath of an attack on the covert by the Empire, the Armorer made it her mission to salvage what beskar she could from the deceased Mandalorians. When she met Djarin and his allies, she helped him restock his supplies and declared the formation of his clan after creating his signet, and quested him with returning Grogu to his own kind, but stayed behind in order to continue collecting the beskar and cover Djarin and his allies' escape, before evacuating herself to a new covert on Glavis Ringworld, which she founded with Vizsla.
The Armorer and Vizsla were later joined by Djarin, who helped them to rebuild their new covert. After she confirmed that Djarin had completed his quest, she reforged his beskar spear into an armor for Grogu, and recounted the story of the Darksaber and the Night of a Thousand Tears, which their sect had survived because they were cloistered on the moon of Concordia. She trained Djarin with the Darksaber until they were stopped by Vizsla, who challenged Djarin to a duel, which Djarin eventually won. The Armorer stopped Djarin from killing Vizsla and asked them if they removed their helmets. Djarin confessed that he did, and the Armorer claimed that he was no longer a Mandalorian, unless he was redeemed in the Living Waters beneath the Mines of Mandalore.