In what universe is writer's Brandon Sanderson's "Oathbringer" set?
Brandon Sanderson: Brandon Sanderson (born December 19, 1975) is an American fantasy and science fiction writer. Brandon Sanderson:  He is best known for the Cosmere universe, in which all his adult fantasy books most notably the "Mistborn" series and "The Stormlight Archive", are set; and his work in finishing Robert Jordan's epic fantasy series "The Wheel of Time".
i don't know