Mistborn · Character
Boris Junior
- Supporting
- First seen · Book 5 · Ch. 1
Boris Junior is a supporting character in Mistborn (Book 5).
- First appears
- Book 5 · Ch. 1
- Books
- 1
Boris Junior is mentioned as a mortal enemy who once swore to drink Waxillium’s blood. He does not appear in person, and the book supplies no further details about his life or fate.
Description
The text provides no visual description of Boris Junior. His age, build, skin tone, hair, eyes, facial features, and clothing are all unspecified, so none can be established as part of his appearance.
Connections
Family & partnersFriends & mentorsRivals
- BT
Boris the Thirdbrother
They are brothers, both connected to Wax through their hostility over their father’s shooting.

Waxillium Ladrianconflicting source relationships
Wax shot Boris Junior’s father, and Boris Junior swore to drink Wax’s blood. Steris considers inviting him to the wedding despite the threat.
Story so far
BOOK 5Shadows of Self
Appearances
Meet Boris Junior in Bookworm
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