Aurelion, the Dragon Lord, tired of destruction, descends to seek his destined Frost Maiden. Disguised as a slave, he rescues Princess Elara, only to find a rival prince craves her Heart of Frost. His enemies summon fearsome beings--Earth Wyrm, Undead Legion, Skeletal Dragon--yet they do not know the god they worship is him.
Cursed with a soaring temperature that will trigger an apocalypse by the next full moon, Dragon Lord ventures to find the Frost Maiden. Descending to the mortal realm, he encounters a kidnapped Rime Princess and unleashes the chilling power of the Heart of Frost.
Princess Lyra is mortified to have lost her chastity to a slave who saved her from ice magic. She dismisses their encounter as an accident, offers gold to the slave while emphasizing their rank gap, and is puzzled by the ice magic's origin. Meanwhile, others search for her, and a lord awaits an important guest, adding intrigue.
A mysterious envoy from Dragon Keep arrives; the local lord hopes to marry his frost-stricken daughter Elara to him for a cure. Townsfolk blame Elara for the cold, but the envoy knows she's the Frost Maiden who can break his divine curse. After an assassin attack, the lord forces their engagement, sparking chaos.
The king shocks everyone by arranging Princess Elara's marriage to a slave. The crowd protests fiercely, but guards disperse them. Elara's father apologizes to the slave, who agrees to the union, yet Elara resists strongly—citing her curse, threatening to freeze him, and refusing to acknowledge he saved her life, with her sister also objecting.
Auriel detects a tracking rune on the princess's necklace, revealing a spy lurks in the palace. He reveals he saved both of the lord's daughters, first facing skepticism then winning sincere gratitude from the royal family. As the princess's fiancé, he's invited back to the palace.
Elara's father entrusts her safety to the Dragon Lord, whom she scorns as a slave. When an assassin infiltrates her chambers mid-bath, the seemingly lowly protector unleashes overwhelming power, easily vanquishing the intruder and hinting at his formidable hidden status.
Elara is shocked when a man she deems a slave claims he's her fiancé, the Dragon Lord, and vows to marry her before the full moon. She angrily drives him off, yet later grows confused as he withstands her frost and she finds herself unconsciously drawn to his warmth.
Elara refuses to attend the Winter Festival, fearing she'll spoil everyone's mood. Her slave—secretly the Dragon Lord who tames blizzards—insists on protecting her. They encounter Prince Magnus, who proposes a marriage alliance while mocking her cursed status, igniting tense conflicts.
Elara's street-rescued slave fiancé publicly declares their engagement, angering the Ember Abyss King's son who controls the kingdom's flame ore supply. The prince humiliates him, demanding he lick wine off his boots, while Elara pleads for mercy, and the slave defiantly fires back in this tense clash.
The arrogant Dragon Knight, sole heir of Ember Abyss Kingdom, threatens Elara to return with him or kill her companion. Defied by the hero, he summons the monstrous Lord Earth Wyrm, even demanding Elara and Lyra serve him, sparking a fierce showdown.
The arrogant Crown Prince mocks a supposed 'dragon' as a worm. When he witnesses a mysterious man effortlessly dragging a dragon, he threatens him with royal status and dragon cult ties, branding him a half-orc. Just then, orcs emerge to challenge them.
Orcs' brutal past invasion stirs fear across the realm. When a half-orc slave kills the Prince's Earth Wyrm, the High Priest demands he cut off his arms to apologize. Defying this cruel order, tensions erupt into a fierce standoff, with dark hints of demon plots lurking beneath.
A powerful slave cuts off the Crown Prince's arm, making him an enemy of Ember Abyss Kingdom, the Dragon Cult, and orcs. Shockingly, he finds the cult worships him—the Dragon Lord of Doom. As the cult attacks with a cursed scroll that once erased an army, a deadly standoff ignites.
When the Master of Shadows' curse is eaten yet fails to harm the target, a furious young noble accuses an elder of using a fake scroll, vowing execution. Orcs, loyal only to strength, betray the noble and beg the almighty figure for mercy, offering a gold mine. The desperate noble then offers a flame ore mine and the kingdom's treasury to save their life.
Cornered, a character unleashes their ultimate trump card—the Dragon Lord with dragon blood. Enemies panic at the sight of the real dragon, while some furiously condemn the so-called 'mongrel' and demand an attack, igniting an intense, gripping battle full of shocking twists.
Discover that Elara is the coveted Frost Maiden as a ruthless villain confronts a wounded defender, demanding her in exchange for a quick death. The villain mocks a demigod's stolen dragon fire and boasts of unmatched power even against enhanced Dragonkin soldiers. When a desperate ruler offers treasury and gem mines to spare his life, the villain sees through his stalling and prepares to deliver fatal justice.
Lyra allows Magnus's men to mine, yet Auriel harms Magnus, angering the Ember Abyss Kingdom. Elara shares playful, charged moments with Auriel, hinting at romantic tension, while her father interrupts them as retaliation fears hang over the Rime Kingdom.
A Dragon Cult member, having his arm brutally severed, rushes to inform his father about slave Auriel who attacked him, revealing that Princess Elara of Rime Kingdom is the long-sought Frost Maiden needed for their sacred Heart of Frost ritual. Enraged by his son's ruined plans including losing a gem mine, the cult leader orders a total flame ore blockade against Rime Kingdom and punishes his son with a cruel experiment.
Rime Kingdom faces a dire winter crisis as Ember Abyss buys all flame ores vital for survival. Countess Valeria volunteers to resolve it, but Auriel—Princess Elara’s fiancé, mocked as a slave—shocks the court by claiming he can fix the warmth issue. The king orders them to work together, sparking curiosity about Auriel’s hidden power.
The king assigns Valeria and Lord Auriel to resolve the flame ore shortage, sparking public outrage over ore buybacks. At a banquet, Lord Covinus lures Valeria to the ladies' room, drugs her, and attempts to coerce her with ore, trapping her in a dangerous situation.