Mistborn: The Final EmpireChapter 4
Vin Revealed as Mistborn
Kelsier and Dockson rescue Vin from Camon's abusive crew, test her with metals, and confirm she is a rare skaa Mistborn capable of burning all Allomantic metals.
Outcome
Vin joins Kelsier's elite crew, beginning her transformation from street thief to rebel assassin.