Katja

Duke Lindell became foster father to Xaden Riorson and Liam Mairi after the Tyrrish Rebellion, raising and training them at Tirvainne until their entry into the Riders Quadrant.

Berwyn, also called the Sage or Dark Wielder, is a venin general and one of the most dangerous antagonists in the Empyrean series. He first appears at the Battle of Resson and later becomes especially important through his connection to Xaden Riorson and his dreamwalking signet.

Lyron Panchek is the Commandant of Basgiath War College. Once a colonel, he rose in authority to oversee cadet formations, graduations, disciplinary actions, and major school events.

Professor Emetterio is a combat instructor at Basgiath War College. He is responsible for cadet sparring and Gauntlet practice sessions.

Professor Kaori is a colonel at Basgiath War College who teaches Dragonkind in the Riders Quadrant.

Professor Devera is a battle strategy instructor at Basgiath War College in Fourth Wing.

Professor Markham is the head archivist and instructor of the Scribe Quadrant in Fourth Wing. He also teaches Battle Brief alongside Professor Devera.

Fenn Riorson is the father of Xaden Riorson and one of the leaders of the Tyrrish Rebellion in Fourth Wing.

Syrena Cordella is a gryphon rider, sister of Catriona Cordella, and niece of King Tecarus of Poromiel.