| | | | Part One |
| 1 | Violet | Sorrengail | Protagonist. |
| | Brennan | Sorrengail | Violet's brother. AKA: Lt. Col. Aisereigh. |
| | Andarna | | Violet's golden dragon. |
| | Xaden | Riordan | Violet's enemy and lover. |
| | Bodhi | Durran | Xaden's cousin. |
| | Imogen | | Violet's friend. |
| | Major | Ferris | The Major with a hawk nose. AKA: Hawk Nose. |
| | Trissa | | One of Xaden's colleagues. |
| | Tecarus | | The viscount. |
| | Tairn | | Violet's black dragon. |
| | Battle-Ax | | One of Xaden's colleagues. |
| | Garrick | Tavis | One of the cadet who survives. |
| | Suri | | One of Xaden's superiors. |
| | Beard | Lens | One of Xaden's superiors. |
| | Lilith | Sorrengail | Violet's mother. |
| | Felix | | One of the superiors. |
| | Dain | Aetos | Lilith's aide. Violet's best friend. |
| 2 | Mira | Sorrengail | Violet's sister. |
| | Naolin | | Tairn's previous rider. |
| | Kaori | | Violet's professor. |
| | Marbh | | Brennan's dragon. |
| | Sgaeyl | | Xaden's dragon. |
| | Ciaran | | A 2nd year cadet. |
| | Malek | | God of Death. |
| | Eya | | Ciaran's colleague. |
| | Masen | | A cadet at the Flame Section. |
| 3 | Rhiannon | Mathhias | Squad leader. |
| | Ridoc | | Violet's friend. |
| | Fitzgibbons | | The captain. |
| 4 | Panchek | | Commandant. |
| | Jesinia | Neilwart | Violet's friend. |
| | Quinn | | Violet's colleague. |
| | Nadine | | Violet's colleague. |
| | Aura | Beinhaven | The new wing leader. |
| | Heaton | | Violet's squad mate. |
| | Emery | | Violet's squad mate. |
| | Sawyer | | One of the cadets. |
| 5 | Liam | | Xaden's friend. |
| | Deigh | | Liam's dragon. |
| | Major | Varrish | Violet's new commandant. |
| | Melgren | | The general. |
| | Cianna | | Violet's executive officer. |
| 7 | Grady | | The new professor. |
| | Caroline | Ashton | One of violet's classmates. |
| | Neilwart | | One of the cadets. |
| | Nasya | | One of the cadets. |
| 8 | Jory | Buell | The 1st candidate. |
| | Jack | Barlowe | The boy who wants to kill violet. |
| | Cam | | King Tauri's son. AKA: Aaric Graycastle. |
| | Sloane | Mairi | Liam's sister. |
| | Visia | Hawelym | A repeater. |
| | Solas | | Major Varrish's dragon. |
| | Cath | | A wing leader's dragon. |
| 9 | Devera | | One of the professors. |
| | Markham | | A colonel. |
| | Mischa | | One of the cadets. |
| | Baylor | | One of the cadets.. |
| 10 | Emmeterio | | One of Violet's friends. |
| 13 | Carr | | One of the professors. |
| | Tomas | | Squad leader. |
| 14 | Cohen | | A 2nd year rider. |
| | Brisa | | Cohen's squadmate. |
| | Calvin | | Cohen's squadmate. |
| | Aoife | | Cohen's squadmate. |
| | Mirabel | | Cohen's squadmate. |
| | Dyre | | A healer. |
| | Baide | | Jack Barlowe's dragon. |
| | Gwen | | One of the infantry cadets. |
| 16 | Dasha | Fabrren | Sloane's opponent. |
| 17 | Tara | | Rhiannon's lover. |
| 19 | Feirge | | Rhiannon's dragon. |
| | Aotrom | | Ridoc's dragon. |
| | Sliseag | | Sawyer's dragon. |
| | Aurelie | | One of the riders. |
| | Teine | | Mira's dragon. |
| 21 | Trebor | | One of the cadets. |
| 28 | Syrena | Cordella | A Gryphon flier. Tecarus's niece. |
| | Catriona | Cordella | Syrena's sister. |
| 32 | Samuelson | | One of the cadets. |
| 33 | Alic | Tauri | A prince. |
| 34 | Nolon | | Violet's friend. |
| 35 | Nora | | Lieutenant. |
| | | | Part Two |
| 38 | Visia | | One of the cadets. |
| 39 | Ulices | | Mira's colleague. |
| | Kylynn | | Xaden's colleague. |
| 40 | Felix | | A dragon rider. |
| | Nora | | A truthsayer. |
| 41 | Zara | | The lady's maid. |
| 43 | Maren | | A flier from Draithus. |
| | Daja | | Maren's gryphoon. |
| | Luella | | Cibbe's flier. |
| | Cibbelair | | Luella's gryphon. |
| 45 | Coralee | Ryle | Deceased. |
| | Nicholai | Panya | Deceased. |
| | Trissa | | The new professor. |
| | Trager | | A cadet. |
| 46 | Kiandra | | The flier's professor. |
| 50 | Kai | | A 1st year flier. |
| | Bragen | | One of the squad leaders. |
| | Kira | | Cat's gryphon. |
| | Cruth | | Quinn's dragon. |
| 58 | Codagh | | The dragon eldest. |
| | Greim | | A dragon. |
| | Maise | | Greim's mate. |
| | Aimsir | | Lilith's dragon. |
