Mistborn · Character
Boris the Third
- Supporting
- First seen · Book 5 · Ch. 1
Boris the Third is a supporting character in Mistborn (Book 5).
- First appears
- Book 5 · Ch. 1
- Books
- 1
Boris the Third is mentioned as a mortal enemy who swore to eat Waxillium’s toes, and is characterized as not a clever man. He never appears in person, and the book offers no further account of him.
Description
The book gives Boris the Third no physical description. His height, build, complexion, hair, eyes, face, age, and clothing are unknown; his name and characterization offer no reliable basis for visual details.
Connections
Family & partnersFriends & mentorsRivals
- BJ
Boris Juniorbrother
They are brothers, both connected to Wax through their hostility over their father’s shooting.

Waxillium Ladrianconflicting source relationships
Wax shot the brothers’ father, and Boris the Third threatened to eat Wax’s toes. Steris treats him as a potential danger at the wedding.
Story so far
BOOK 5Shadows of Self
Appearances
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