Watch Lord of The Underworld Full Episodes Online Free in HD - Latest Episodes

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Watch Lord of The Underworld full episodes online for free on FlexTV. Stream all 82 episodes of this short drama series in HD with subtitles. Start watching instantly with no registration required and enjoy smooth, fast playback on any device. Explore popular themes like Hidden Identity, Hidden Identity, , , and , and binge-watch the complete series anytime.

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Lord of The Underworld All Episodes

82 Episodes

Episode 1 - Lord of The Underworld

Warden of a state prison, Jacob is secretly a man of incredible versatility: He’s a legendary martial artist, a seasoned doctor, a finance tycoon with unimaginable wealth and connections, and a playboy radiating charisma. Be it in business or politics, with his buddies or chicks, he can always take the center stage and seize the moment to shine.

Episode 2 - Lord of The Underworld

This segment focuses on a "broken engagement" scandal between individuals of vastly different social statuses. The female war god Mew, accompanied by her assistant Mirin, arrives at a prison to humiliate her ex-fiancé Kotchakorn. Mew, confident in being Thailand's top warrior and aspiring to be the world's best, seeks to become a disciple of the legendary "King of Eternal Night," Atinat. She therefore deeply despises Kotchakorn, who is merely a low-ranking prison guard, forcefully breaks off their engagement, and bestows a token upon him. Ironically, the "master" she so desperately seeks is none other than the man she's currently calling "trash." At the end of the segment, after being jilted, Kotchakorn immediately receives a call from his father, informing him of a new arranged marriage, marking a rapid plot twist.

Episode 3 - Lord of The Underworld

In this episode, the male protagonist, Kotchakorn, who is secretly known as the "King of Eternal Night," Adinan, meets with his loyal disciple in Bangkok. The disciple reports to him and presents him with generous gifts, including fine wine, the keys to the top luxury mansion "Cloud Top Heavenly Palace," and an invitation to a disciple-acceptance banquet from the Thai warrior goddess, Mew. Although Kotchakorn finds Mew arrogant, he decides to give her a chance due to her talent. Subsequently, Mew appears with her subordinate, Mirin. Unaware of Kotchakorn's true identity, she insults him repeatedly, mocks him for persistently bothering her like a dog, and declares that they belong to completely different worlds.

Episode 4 - Lord of The Underworld

This episode showcases the protagonist, Kochakorn's, interactions with various factions while in hiding. The female warrior Mew, unaware of his true identity, ridicules and intimidates Kochakorn, comparing him to a "firefly" while calling herself the "bright moon," believing him to be a coward. Later, Kochakorn appears before his wife, Nam-ing, and her family as a prison guard, only to be met with strong rejection and humiliation from his mother-in-law, Dao. Dao, proud of her wealthy status, denounces Kochakorn as "worthless lower-class scum," deeming him unworthy of her daughter. Deep down, Kochakorn has already set a tone of "discipline" for these arrogant individuals.

Episode 5 - Lord of The Underworld

This episode takes place in the Varaporn family's living room. Mother-in-law Dao utterly humiliates her son-in-law, Kochakorn, despising his lowly status as a prison guard and the meager "gift" he brought – a bottle of wine. At this moment, her suitor, Chantit, arrives with a twenty-million-baht French designer necklace and a century-old antique dagger as a "small betrothal gift," instantly winning Dao's heart. Dao becomes increasingly arrogant, openly calling Kochakorn "trash" and even forcing him to give up his seat for Chantit. The widening gap between rich and poor, coupled with the mother-in-law's snobbish demeanor, forms the core conflict of this episode.

Episode 6 - Lord of The Underworld

Seizing the opportunity presented by the decline of the Phatcharawithit family, Chantit attempts to persuade Nam-ing's parents to break off the existing engagement. As a bargaining chip, Chantit uses an extremely valuable invitation to the "God of War Mew's Apprenticeship Ceremony," tempting the Waraphorn family with a chance to enter Bangkok's high society. Faced with Chantit's provocation and Nam-ing's parents' snobbery, Kotsakorn, who is secretly "The King of Eternal Night" Atinat, publicly tears up the invitation, stunning everyone present. The crowd mocks Kotsakorn relentlessly, dismissing him as a mere prison guard incapable of knowing important figures. Ultimately, Chantit proposes a bet: if Kotsakorn can produce the invitation, Chantit will cease interfering with his marriage to Nam-ing.

Episode 7 - Lord of The Underworld

This episode tells how the male lead, Kochakorn (whose true identity is "King of Eternal Night" Atinart), silences Chantit, who tried to sow discord, with the "War God Gold Card Invitation" he possessed, despite being looked down upon by everyone. Although Namphing's father, Tulathorn, insists on fulfilling his promise to Kochakorn's father and forces Namphing to register her marriage with Kochakorn, Namphing, as the group president, is extremely repulsed by this marriage of unequal status. After registration, she coldly warns Kochakorn that they are not people from the same world and she is ready to divorce at any time. However, an invitation to the War God Mew's mentor ceremony (which is actually him) casually handed out by Kochakorn once again plunges Namphing into suspicion and shock.

Episode 8 - Lord of The Underworld

This episode features the female war god Mew holding a ceremony to welcome her master, the "King of Eternal Night" Atinath. The Black Dragon Chamber of Commerce president Phithan and the wealthy young master Chanthit are present, showering them with flattery. However, the male protagonist Kochakorn, considered a "useless son-in-law" by everyone, suddenly appears with his wife Nam-oeng. Chanthit and Phithan angrily accuse Kochakorn of sneaking in with a fake invitation and even demand his death. Nam-oeng humbly tries to befriend Mew and introduce her husband, but is publicly humiliated by Mew's subordinate Mirin. Facing everyone's disdain, Kochakorn remains composed and even warns Mew to curb her arrogance with cold words, enraging the entire crowd and bringing the conflict to a boiling point.

Episode 9 - Lord of The Underworld

This episode tells the story of "The King of Eternal Night," กชกร, who is hiding his identity and is subjected to endless humiliation at a banquet by his wife, น้ำอิง, and her family. น้ำอิง, proud of being the "Star of Thailand," feels that marrying กชกร, whom she sees as a "down-and-out young master" and merely a "small security guard," is the biggest stain on her life. Meanwhile, the female war god, มิว, also banishes กชกร for disrespecting her. Facing everyone's disdain, กชกร resolutely walks onto the stage and declares his right to "refuse disciples," causing outrage throughout the hall. Just then, the legendary war god, อตินาถ (who is actually กชกร himself), is about to make his appearance. In their fervent admiration, the crowd forces กชกร to kneel. กชกร's rhetorical question signals the imminent reveal of his identity and the turning point of his comeback.

Episode 10 - Lord of The Underworld

Warden of a state prison, Jacob is secretly a man of incredible versatility: He’s a legendary martial artist, a seasoned doctor, a finance tycoon with unimaginable wealth and connections, and a playboy radiating charisma. Be it in business or politics, with his buddies or chicks, he can always take the center stage and seize the moment to shine.

Episode 11 - Lord of The Underworld

Warden of a state prison, Jacob is secretly a man of incredible versatility: He’s a legendary martial artist, a seasoned doctor, a finance tycoon with unimaginable wealth and connections, and a playboy radiating charisma. Be it in business or politics, with his buddies or chicks, he can always take the center stage and seize the moment to shine.