Oathbound Questions and Answers: A Study Guide for Tracy Deonn's Legendborn Cycle Book 3

This study guide offers fifteen questions and answers that dig into the plot, character decisions, and thematic layers of Oathbound. Each answer is grounded in the text and designed to help you analyze the novel's twists and turns, from Bree's captivity under the Shadow King to the shocking finale that reshapes the Legendborn world. Use the internal links to explore characters, themes, and the ending in more depth.

For a full overview, see the book home page.

For the final events, see the ending explained.

For deeper thematic analysis, visit the pages on identity and self-possession, oaths, debts, and bargains, power exploitation and systemic corruption, sacrifice, grief, and transformation, and legacy, bloodline, and inheritance.

Character pages for Briana Matthews, Nick Davis, Selwyn Kane, Erebus Varelian, Mariah, and Valec provide additional context.

Now, let's dive into the questions.

1. Why does Erebus erase Bree's memories of living people but not the dead?

Direct answer: Erebus removes Bree's knowledge of living people, leaving only emotional remnants, while memories of the dead remain intact. He explains that demons are undead, so they are not erased. This selective erasure isolates Bree and forces her to rely on him, while preserving her violent past as a tool.

In Chapter VI, Bree wakes to find she cannot recall the names or faces of people from her past, only emotions like guilt, longing, and regret. In Chapter 14, she reflects that she remembers murdered boys and her mother, but not living acquaintances. Erebus confirms this distinction, suggesting it's tied to the nature of demons as undead. This reveals his manipulation and the psychological control he exerts.

The memory loss is a form of psychological warfare, stripping Bree of her support network and making her dependent on the Shadow King. It also highlights the theme of identity and self-possession, as Bree must redefine herself without the anchors of her relationships.

2. How does Nick manipulate the Council into granting him a knight's quest?

Direct answer: Nick calls a curia, confesses to murder, gets arrested, then uses the curia's unbreakable Oath to demand a formal quest to hunt the Morgaines, which grants him clemency and freedom. This is a strategic loophole that forces the Council to comply or die.

In Chapter 7, Nick invokes the ancient curia, binding the Council by an Oath they cannot break. He demands a quest to hunt the Morgaines, not to find Bree or Sel, which surprises everyone. William realizes Nick engineered his own arrest to survive assassination attempts and manipulated the Council into granting him a sanctioned, unsupervised mission.

This move showcases Nick's ruthless intelligence and his willingness to use the Order's own traditions against it. It also sets up his secret quest to find Bree and Sel, while appearing to abandon them.

3. What is the significance of the bloodmark and how does it protect Bree?

Direct answer: The bloodmark binds Bree to Erebus's debt and marks her as claimed. When the twins try to consume her power, the mark flares and burns them, showing it's a protective mechanism. It also allows Erebus to sense her root levels and summon her at will.

In Chapter IV, Erebus explains that a bloodmark permanently binds a human to a debt and marks them as claimed. Bree's ancestor Vera made a bargain with spirits, and Erebus claimed the resulting power furnace in her bloodline. When the twins attempt to consume her magic, the mark burns them, demonstrating its defensive function.

The bloodmark is a double-edged sword: it protects Bree from other demons but also gives Erebus control over her. It symbolizes the theme of oaths and debts, as Bree is bound to a bargain she didn't choose.

4. Why does Selwyn survive the crown's touch and become the new Shadow King?

Direct answer: The crown recognizes its rightful heir; Selwyn is revealed to be the Shadow King's son, so instead of killing him, it transforms him. This is a shocking twist that changes the power dynamics and sets up a new conflict.

In Chapter 62, after Selwyn touches the crown, it does not deliver death but transforms him. His eyes turn red, his fangs lengthen, and he places the crown on his head, declaring, “Looks like my father dropped this.” Nick and Bree are stunned, and Selwyn names them a king, a knight, and a prince.

This revelation recontextualizes Selwyn's demonic nature and his connection to the Shadow King. It also creates a new power structure, with Selwyn as a potential ally or enemy, and leaves the future of the Legendborn Cycle uncertain.

5. How does the auction of the crown lead to the revelation about the Rootcrafter girls?

Direct answer: At the auction, Mikael reveals four living Rootcrafter girls are being sold as power sources. This shifts the mission from crown retrieval to rescue, exposing the Order's corruption and the commodification of human life.

In Chapter 48, Mikael unveils four crystal vials filled with glowing gold smoke—captured Root. In Chapter 49, he reveals that the vials are connected to four living Rootcrafter girls held captive, and bidding includes access to them as renewable power sources. Bree wants to intervene, but Mariah insists they follow the plan to locate the girls.

This moment highlights the theme of power exploitation and systemic corruption, as the wealthy elite treat human beings as resources. It also forces Bree to prioritize saving the girls over her own mission, showing her growth and moral compass.

6. What is the significance of the “Line of Vera” table?

Direct answer: The table catalogs the thirteen ranked knights with their sigils, colors, inheritances, and weapons, providing a reference for the bloodline hierarchy and abilities. It underscores the importance of legacy and bloodline in the Legendborn world.

In Chapter 69, the table lists each rank from King Arthur Pendragon to Sir Geraint, detailing their sigils, colors, and inherited powers. For example, Sir Lancelot has a stag at gaze in storm cloud blue, granting speed and enhanced vision, while Sir Gawain has a two-headed eagle in emerald green, granting enhanced healing and strength at midday and midnight.

This table serves as a worldbuilding tool, showing the diversity of abilities and the weight of inheritance. It also foreshadows the importance of lineage in the series' conflicts, as characters grapple with their inherited roles.

7. How does Nick and Bree's relationship evolve during the Penumbra gala?

Direct answer: They fake an engagement, rehearse intimacy, and eventually share a genuine connection, but Nick refuses to be with her until her quest is complete and she is whole. This forces them to confront their feelings while maintaining their cover.

In Chapters 39-45, Nick and Bree practice touching to convincingly maintain their engagement story. They discuss their past, and Nick reveals he has hidden his feelings for her. However, he stops their passionate kiss, explaining he cannot be with her while she is under masks and pretense, and that he wants her whole and entire.

This relationship shift is central to the novel's emotional arc. It shows Bree's struggle with her fractured identity and Nick's commitment to her well-being over his own desires.

8. What is the role of the Heart of the Grand Dame talisman?

Direct answer: Mariah uses it to see Valec's half-undead nature and later to impersonate the Grand Dame to bargain with Daeza, showing its power and the risks of unauthorized use. It amplifies her Medium abilities but also carries danger.

In Chapter 23, Mariah puts on the necklace and sees a gray-black glow beneath Valec's skin, revealing he is half undead. In Chapter 26, she wears it as part of a disguise to meet Daeza, using it to project authority. Valec warns her against accepting offers or bargains, but she proceeds.

The talisman symbolizes inherited power and the burden of legacy. Mariah's unauthorized use of it reflects her determination to help Bree, even at personal risk, and highlights the theme of self-determination versus expectation.

9. How does Erebus's identity as the Shadow King affect his interactions with the Order?

Direct answer: He has been impersonating Erebus for decades, manipulating the Order from within, and his true identity is revealed to Bree and Nick, changing their understanding of the conflict. He uses his position to control events and pursue his own agenda.

In Chapter I, the Shadow King reveals himself as Erebus Varelian, a long-held identity. In Chapter II, he admits he murdered the real Erebus and has been impersonating him. In Chapter 43, Bree tells Nick that Erebus has spent decades manipulating the Order, seeking revenge on Arthur and planning to consume Bree's power.

This revelation recasts the Order's internal politics as a demon's long game. It also explains why the Regents are so corrupt—they are unknowingly serving a demon king.

10. What is the significance of the crown's theft and its connection to the Shadow King?

Direct answer: The crown is a living weapon tied to the King, and its theft by a warlock forces the King to seek it, leading to the auction and the confrontation. It also reveals the Morgaines' role in hiding it and the King's vulnerability without it.

In Chapter 17, Reggie reveals that the crown was stolen from the Morgaines by a warlock. In Chapter 25, Bree and the twins learn that the crown is being auctioned at Mikael's gala. The King cannot sense its location due to Morgaine enchantments, so he relies on Bree to retrieve it.

The crown symbolizes power and legitimacy. Its theft and the quest to recover it drive the plot, while also exposing the King's dependence on his weapon and the lengths he will go to reclaim it.

11. How does Selwyn's transformation affect his relationship with Natasia?

Direct answer: Selwyn becomes estranged, refuses to speak, and his power grows, while Natasia tries to heal him but fails, leading to a tense mother-son dynamic. He eventually escapes her wards and seeks Bree, driven by his demonic hunger.

In Chapter 11, Natasia records her vigil over Selwyn, who is unconscious and thrashing. In Chapter 13, Selwyn speaks for the first time in two months, expressing anger over being told his mother died. In Chapter 21, he escapes repeatedly, and Natasia realizes his staying is voluntary. In Chapter 24, she admits her treatments have failed and asks him not to give up.

This relationship is marked by guilt, abandonment, and the struggle to connect across a demonic transformation. Natasia's attempts to save Selwyn mirror Bree's own sacrifices, highlighting the theme of maternal love and the limits of healing.

12. What is the significance of Bree burning her ancestral stream?

Direct answer: She severs her connection to ancestors, losing her Medium powers and fracturing her soul, which allows Erebus to take a piece. This is a major sacrifice with lasting consequences, affecting her identity and her ability to commune with spirits.

In Chapter 19, Bree admits she burned her ancestral stream before summoning Erebus, severing her ability to commune with spirits. In Chapter 43, Mariah detects that Bree's Medium connection is broken. In Chapter 54, Valec realizes she fractured her soul, leaving a piece available for the King to take.

This act is a turning point, showing Bree's willingness to sacrifice her heritage for immediate power. It also creates a vulnerability that Erebus exploits, and it forces Bree to redefine herself without her ancestral ties.

13. How do oaths and debts manifest in Nick's quest and Bree's bargain?

Direct answer: Nick uses the curia's Oath to gain freedom, while Bree's bargain with Erebus leaves her owing a debt, and she later offers mercy in exchange for her soul fragment. Both characters are bound by promises that shape their actions.

In Chapter 7, Nick exploits the curia's unbreakable Oath to force the Council to grant his quest. In Chapter 46, Bree confesses her bargain with Erebus: he agreed to train her and take Sel to his mother, but she still owes him a debt. In Chapter 60, she offers to return the crown if he restores her soul fragment, but he instead proposes keeping it until she nears her full potential.

These oaths and debts drive the plot and highlight the theme of bargains and their costs. Both Nick and Bree must navigate the consequences of their promises, often sacrificing their own desires for the greater good.

14. What is the ending's implication for the future of the Legendborn Cycle?

Direct answer: Selwyn becomes the new Shadow King, creating a new power dynamic with Bree and Nick, and the trio's future is uncertain. The ending sets up a potential alliance or conflict, leaving the series open for further exploration.

In Chapter 62, Selwyn places the crown on his head and declares himself a king, with Bree as a knight and Nick as a prince. He asks, “What shall we do?” This cliffhanger suggests a new chapter in the war between demons, Legendborn, and Rootcrafters.

The ending redefines the central conflict, as Selwyn's transformation could be a threat or a chance for change. It also leaves Bree's soul restoration and her relationship with Nick unresolved, promising more twists in the next installment.

15. What role do the twins Elijah and Zoe play in Bree's training and the heist?

Direct answer: The twins serve as Bree's chaperones and training partners, testing her abilities and later aiding her in the auction heist. Their cambion nature and loyalty to Erebus create tension, but they also form a bond with Bree.

In Chapter III, the twins hunt Bree as part of Erebus's test. In Chapter 14, they accompany her on demon hunts, and in Chapter 25, they help her infiltrate Daeza's club. At the auction, Zoe goes with Bree while Elijah is held as collateral, and later they help rescue the Rootcrafter girls.

The twins represent the complexity of demonkind, showing that not all demons are evil. Their evolving relationship with Bree—from adversaries to allies—adds depth to the story and challenges Bree's assumptions about her enemies.

These questions and answers should help you analyze Oathbound's intricate plot and themes. For further exploration, revisit the ending explained or dive into the character pages to trace each arc in detail.