Borrus is a secondary character in the fanfiction "Legend of the Guardians Owls of Ga'Hoole: The Resistance". He's Kyra's father and looses her when The Purge attack the great tree.
History EditBorrus was born in the Great Ga'Hoole tree just like Kyra. He trained to become a guardian at an early age and married Strinx once he became one. They had a daughter but lost her to the Purge.
***More information will be given once the fanfiction is out.