Oathbound Ending Explained: The Climax, Character Outcomes, and Unresolved Threads in Tracy Deonn's Legendborn

⚠️ Spoiler Warning: This guide contains detailed spoilers for the entire novel. Proceed only if you've finished reading or are comfortable knowing the plot.

The Literal Ending: What Happens in the Final Chapters

In the climactic confrontation, Briana Matthews faces Erebus Varelian, who is revealed to be the ancient demon Arawn of Annwfyn, the original Shadow King. Using ancestral magic, Bree calls on the open channel between them—a thread of blood and intention—and forces Erebus to return the missing piece of her soul. He does so, but only after delivering a devastating ultimatum: if she forces him to restore her soul, he will ensure that Alice Chen never wakes from her coma. Alice, it turns out, is trapped in a purgatory-like state, hunted by the King's hounds. Bree chooses to make her soul whole, accepting that Alice may be lost.

Immediately after, Selwyn Kane—who has been consumed by demonia—arrives and attempts to claim the enchanted crown. He severs Erebus's hand and wounds him, but when Sel touches the crown, its shadows consume him, and he dies. Yet the crown, forged by death incarnate, does not deliver death. Instead, it transforms Selwyn, revealing him to be the Shadow King's son. He rises with red eyes and black-tipped fangs, places the crown on his head, and names the three of them—himself, Bree, and Nick—as a king, a knight, and a prince. Erebus flees, and the trio is left to decide what comes next.

The Climax Explained: The Choice, the Crown, and the Transformation

The climax hinges on two intertwined moments: Bree's soul restoration and Selwyn's crown-induced rebirth.

Bree's Choice

In the sphere she creates to contain Erebus, Bree uses the ancestral magic principle that an open channel runs both ways. She calls on the invisible thread that ties her to the King, forcing him to return her soul fragment. The King warns that doing so will doom Alice, but Bree chooses herself—a radical act of self-possession after a book spent being used by others. The text makes clear that this is not a triumphant victory: Bree's sphere turns root red, and she is filled with anguish. Mariah, who helped summon the ghosts of Erebus's victims, collapses from exhaustion. Nick, watching from outside, reveals his own yearning for Bree, and the two share a moment of mutual recognition.

The Crown and Selwyn

After Erebus is weakened, Selwyn appears, driven by his hunger and his desire to capture a king. He severs Erebus's hand and wounds him, then turns to the crown. Nick and Bree warn that the crown is a living weapon that will kill anyone who is not its true wielder. Selwyn touches it anyway. The shadows consume him, and he dies—but only momentarily. The crown, recognizing its rightful heir, transforms Selwyn into a new Shadow King. He rises with crimson eyes, black-tipped fangs, and a hoarse laugh, placing the crown on his head. He asks, “What should we do?”—leaving the future open.

Major Character Outcomes

Briana Matthews: Restores her soul, regains her full memories and emotional depth, and becomes “untouchable” in the sense of self-possession. She is no longer a pawn, but she carries the weight of Alice's fate. Her bloodmark remains, and she is now a fully realized Scion of Arthur.
Nick Davis: Survives the confrontation, having engineered his own quest to hunt the Morgaines. He reveals his love for Bree and stands by her choice. His role as Scion of Lancelot is confirmed, and he is now one of the three—a knight to Selwyn's king.
Selwyn Kane: Dies and is reborn as the Shadow King's son, inheriting the crown. His demonia is not cured but transformed; he is now a king with unknown intentions. His relationship with Bree and Nick is irrevocably changed.
Erebus Varelian / Arawn: Revealed as the ancient demon who impersonated the real Erebus. He is wounded by Selwyn and flees, but his threat is not fully neutralized. He retains power over Alice's fate.
Mariah: Plays a crucial role in summoning the ghosts of Erebus's victims, weakening him. She collapses from exhaustion but survives.
Alice Chen: Remains in a coma, trapped in purgatory, hunted by hounds. Her fate is unresolved and tied to Erebus's threat.
William, Lark, and the Order: William discovers evidence of Regent corruption (the syringes with Morgaine samples) and returns to the Institute. The Regents are exposed as targeting Rootcrafters, but their full downfall is not shown.

Resolved and Unresolved Threads

Resolved

Bree's soul is restored, and her memories return.
Erebus's true identity is revealed, and he is driven off.
Selwyn's lineage is revealed: he is the Shadow King's son.
The crown's power is claimed by Selwyn, ending the immediate threat of Erebus using it.
Nick's quest to hunt the Morgaines is set in motion, and he has a sanctioned mission.

Unresolved

Alice's fate: Will she ever wake? Erebus's threat suggests she is stuck in purgatory, and no solution is presented.
Selwyn's new role: As the Shadow King, what will he do? He asks “what should we do?” but no answer is given.
The Regents: Their corruption is exposed, but they are not defeated. The missing Rootcrafter girls are still unaccounted for.
The Morgaines: Ava's fate and the larger war with the Morgaines remain open.
The Line of Vera: The book includes a table of the thirteen ranked knights, but its full implications for Bree's legacy are not explored in the ending.

Theme Resolution

Identity and Self-Possession: Bree's choice to restore her soul, even at the cost of Alice, is the ultimate act of self-possession. She declares that her power and pain belong to her, and she acts on that.
Oaths, Debts, and Bargains: The book's title is central. Bree's incomplete bargain with Erebus drives the plot, and her final act is to break that debt by forcing him to return her soul. The theme of oaths is also seen in Nick's curia and the Council's binding promises.
Power, Exploitation, and Systemic Corruption: The Regents are exposed as corrupt, targeting Rootcrafters and using Bree. Nick's speech condemns their supremacy and cowardice, and the ending leaves the Order's future uncertain.
Sacrifice, Grief, and Transformation: Bree sacrifices Alice's recovery for her own wholeness, a grief-laden choice. Selwyn's death and rebirth is a literal transformation, echoing the theme of change through sacrifice.
Legacy, Bloodline, and Inheritance: Selwyn's revelation as the Shadow King's son redefines his legacy. The Line of Vera table underscores the weight of bloodlines, but Bree's own path suggests she can break the cycle.

The Epilogue: The Line of Vera

The book ends with a table titled “The Line of Vera,” cataloging thirteen ranked knights from King Arthur to Sir Geraint. Each entry lists bloodline, sigil, color, inheritance, and weapons. This appendix-like section reinforces the theme of legacy and the weight of ancestral power. It does not advance the plot but serves as a reference for the world's history, hinting at the ongoing importance of bloodlines in the series.

Reasonable Interpretations of the Ending

Selwyn's Transformation: The crown recognizes him as the rightful heir, but his intentions are ambiguous. He may become a benevolent king, a tyrant, or something in between. The text does not specify.
Alice's Fate: Erebus's threat may be a bluff, or it may be absolute. Bree's choice suggests she believes Alice is lost, but the series could offer a way to save her.
The Three Roles: Selwyn names them as king, knight, and prince. This could foreshadow a new order, but the power dynamics are unclear.
Erebus's Return: He flees but is not destroyed. His connection to Alice and his ancient power mean he could return as a major threat.

Reader Questions and Answers

1. Why does Bree choose to restore her soul instead of saving Alice?

Bree decides she cannot let Erebus hold her soul hostage for the rest of her life. She tells Nick that no one is owed her suffering, and she chooses self-possession over self-sacrifice. The text shows her anguish, but she makes the choice to be whole.

2. Is Selwyn truly dead, or is he a new character?

Selwyn dies when the crown consumes him, but the crown transforms him into the Shadow King's son. He retains his memories and personality, but his nature is altered. He is both dead and reborn.

3. What happens to Erebus after the climax?

Erebus is wounded by Selwyn and flees. He is not killed, and his threat to Alice remains. His true identity as Arawn is revealed, but his ultimate fate is left open.

4. Will Alice ever wake up?

The ending does not resolve Alice's fate. Erebus claims she is stuck in purgatory, and Bree's choice may have sealed that. However, the series could introduce a way to free her.

5. What is the significance of the Line of Vera table?

The table lists the thirteen ranked knights of the Line of Vera, showing their bloodlines, sigils, and powers. It reinforces the theme of legacy and the weight of ancestral inheritance, but it does not directly affect the plot's resolution.

6. Does Nick and Bree's relationship have a future?

The ending shows Nick's yearning for Bree and her reciprocation after her memories return. They share a moment of connection, but the immediate crisis leaves their future uncertain. The series may explore their relationship further.

For more on the characters and themes, see the main book page, Briana Matthews, Nick Davis, Selwyn Kane, Erebus Varelian, Mariah, and Valec. Explore themes like identity and self-possession, oaths, debts, and bargains, power, exploitation, and systemic corruption, sacrifice, grief, and transformation, and legacy, bloodline, and inheritance.