Irena

"You were not afraid. At that moment I knew I couldn’t send you away to an orphanage. You belonged in the library, as much as any book."

- –Irena, Sorcery of Thorns

Irena was the director of the Great Library of Summershall, she is famous for battling a Malefict with the legendary sword Demonslayer when she was just 19 years old.

Physical description
Irena is described as a remote elegant woman with ice-pale features and hair as red as flame. She has a scar that runs from her left temple all the way to her jaw, puckering her cheek and pulling one corner of her mouth permanently to the side.

Posssesions

 * Demonslayer: a legendary sword, she left it to Elisabeth in her will.

Family

 * Elisabeth Scrivener: Irena was the one who found Elisabeth as a baby, abandoned at the steps of the library, once she saw how she reacted to the grimoires, she decided against sending her to an orphanage, but kept her in the library and raised her. She left her most prized possession: Demonslayer to her in her will.