The sheath can create more than one change of elemental Dust, using a dial like silver encasement just above the bottom of her sword.
The Dust crystals encrusted in the encasement allow Weiss to change the power of her sword in battle.
Weiss performs at a charity event to improve the image of the company, by order of her father, but things go sour when she loses her temper at the cocktail party and accidentally summons a Boarbatusk at one of the guests.
During the Battle of Haven, Weiss is easily overpowered by Vernal and is impaled at her lower right torso by Cinder, but her life is saved by Jaune amplifying her aura with his Semblance, allowing her to heal.
After her arrival in Menagerie, it is revealed that her parents, who she hasn't seen in some time, are very influential, her father being the current Chieftain of Menagerie and a former leader of the then non-extremist White Fang.