Regret It, Ex-Husband Your Powerless Wife Is the Supreme Mage!
Two years ago, Caroline saved the Royal Capital from a deadly Elemental Surge, draining her own elemental core. Instead of gratitude, her fiancé Killian believed his friend Amber's lie—that Caroline stole Amber's core to fake heroism. He ripped the core from Caroline's weak body and rode away, never knowing it would slowly heal on its own—and that marrying him was Caroline's final test of his worth. For two years, Amber lived as a celebrity with the stolen core, winning fame, Killian's devotion, and even Leo, Caroline's baby dragon familiar. Everyone abandoned Caroline except Lumi, her quiet gray-and-white beast. Then Killian threw Caroline into a blizzard after Leo clawed Lumi. Her old wound flared; she passed out in the snow. Lumi refused to let her die—bursting with seven-colored magic, restoring Caroline's elemental core. They were found by Fenric, High Judge of the Elemental Council, who had secretly cared for Caroline for years. Now Caroline is entering the realm's greatest elemental tournament—to reclaim every bit of stolen glory and make every traitor pay.
Story Guide
Episode 1
Caroline saved the Royal Capital from an Elemental Surge, but the city credits Amber. Worse, Killian has swallowed Amber's lie whole: he believes Caroline stole Amber's core to fake her heroism. The wound on her chest throbs as he calls her a liar, useless, fake—and says that if she gives the core back, he'll wed her, as if marriage were a prize she cheated for.
Even Leo, her baby dragon familiar, turns on Lumi, sneering at the gray-and-white beast as a stray. Caroline holds it together for Lumi's sake, bakes treats, and hides a secret: her core is slowly healing. Soon she and Lumi can leave.

Episode 2
Amber soaks up the applause, playing the humble hero who stopped the Elemental Surge all alone. Killian hangs on every word, and Leo declares he wants Amber as his new master, not Caroline. When Caroline says she isn't feeling well and asks Killian to pour his own iced wine, he calls her dramatic and says her old wound is just an act.
Then Leo turns on Caroline over his fire elemental crystal, and Amber coos that the crystal was a gift for Leo. Killian sides with them, calling Caroline useless for failing to control her own bonded beast. The walls are closing in.

Episode 3
Leo mauls Lumi, and Killian refuses to make him apologize, insisting Leo is an angel around Amber and that Caroline simply can't control her beast. Bleeding on the floor, Caroline is told to clean it up. At the ceremony, Amber receives the golden flame medal for subduing the Elemental Surge—Caroline's victory, handed to a fraud.
Caroline feels her core stirring back to life and once wanted to surprise Killian with the news. Instead, two years of cold neglect finally sink in. He never loved her. She looks at him and says the words that change everything: "I want a divorce."
Episode 4
Killian can't believe it. Divorce—over a pet fight? He warns her that breaking a bond is serious, that she has no skills and no way to survive outside his estate. Caroline doesn't flinch. She throws his neglect back at him: he never loved her, never cared for Lumi, and he and Leo think Amber is perfect, so they can have each other.
Furious, Killian tells her to get out and not come crawling back. Caroline leaves into the snow with Lumi. But the blizzard is merciless, her old wound flares, and she collapses. Lumi cries for her not to die—then something impossible begins to glow.
Episode 5
Fenric, High Judge of the Elemental Council, has brought Caroline to a healer, and she is out of danger—barely. As she rests, the truth spills out: she was the youngest grand elementist, master of all elements, the goddess of elements, and she gave it all up for Killian. Fenric asks the question that hangs over everything: is she really happy now?
In the past, Caroline confesses that marrying Killian was her final test—whether his love could survive when she was just ordinary. He failed. Meanwhile Amber gloats that the glory for quelling the surge fell right into her lap, and only a fool would refuse it.
Episode 6
The test is over, and Caroline finally has her answer. Two years of cold neglect told her everything she needed to know. From now on, Lumi is all she needs.
Fenric doesn't let her fade into the snow. He reminds her who she was—the realm's greatest elemental prodigy, fearless, the one who guarded the capital—and insists none of it was forgotten. Take up her magic again, he urges, and the world will remember the goddess of elements. Stand with him, and he'll help her reclaim her light.
Caroline feels her core nearly healed. It's time to return and take back her glory. But then Lumi flickers strangely, and fear crashes over her.
Episode 7
Caroline thinks she's losing Lumi, that the strange light is carrying her beast somewhere she can't follow. But Lumi is still there—still hers—and relief floods in.
Then Fenric lays out the real opportunity: the continental elemental trials are next month, and he's invited. Face Killian if she must, but why let him rob her of this? Win first place, and the truth about the Elemental Surge will finally come out. Caroline agrees: "All right, I'm in."
The mockery starts immediately—House Cross finishes dead last every year. But with Fenric beside her, she's done being looked down on. And House Roth's inquisitor has just arrived.
Cast
- Caroline — protagonist, former grand elementist, Killian's wife
- Killian — Caroline's husband, believes Amber's lie
- Amber — antagonist, stole Caroline's core and glory
- Lumi — Caroline's loyal beast, restores her core
- Leo — Caroline's baby dragon familiar, now loyal to Amber
- Fenric — High Judge of the Elemental Council, supports Caroline
FAQ
Who is Caroline in Regret It, Ex-Husband Your Powerless Wife Is the Supreme Mage!?
Caroline is the protagonist. She is Killian's wife and, as revealed in Episode 5, was once the youngest grand elementist, master of all elements and the goddess of elements, who gave it all up for Killian. She saved the Royal Capital from an Elemental Surge, but the city credits Amber instead.
Why does Killian treat Caroline so badly?
Killian believes Amber's lie that Caroline stole Amber's core to fake her heroism. He calls her a liar, useless and fake, and says that if she gives the core back, he'll wed her. He also sides with Amber and Leo against her, dismissing her old wound as an act.
Who is Amber and what did she do?
Amber is the antagonist. She soaks up the applause for stopping the Elemental Surge, plays the humble hero, and receives the golden flame medal for subduing it—Caroline's victory handed to a fraud. She also gloats that the glory for quelling the surge fell right into her lap.
Why does Caroline ask Killian for a divorce?
After Leo mauls Lumi and Killian refuses to make him apologize, Caroline feels her core stirring back to life but realizes two years of cold neglect mean he never loved her. She looks at him and says, "I want a divorce."
What happens to Caroline after she leaves Killian's estate?
She leaves into the snow with Lumi, but the blizzard is merciless, her old wound flares, and she collapses. Lumi cries for her not to die, and then something impossible begins to glow—Lumi bursts with seven-colored magic and restores her core.
Who is Fenric and how does he help Caroline?
Fenric is the High Judge of the Elemental Council. He brings Caroline to a healer after she collapses, reminds her she was the realm's greatest elemental prodigy, and urges her to take up her magic again. He also invites her to the continental elemental trials next month.
What is Caroline's goal at the end of the available episodes?
Fenric lays out the opportunity of the continental elemental trials next month. Caroline agrees to enter, aiming to win first place so the truth about the Elemental Surge will finally come out. She says, "All right, I'm in."
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