Uk loses a surprise duel and learns of the jade bet
Mages ambush Uk with a duel he loses, then the prince reveals Mu-deok bet her jade on Uk winning one fight in ten days.

Every Alchemy of Souls moment featuring Crown Prince Go Won, in story order. Played by Shin Seung-ho.
99 moments · 4h 06m · by Favseen
Moments 31–60 of 99
Mages ambush Uk with a duel he loses, then the prince reveals Mu-deok bet her jade on Uk winning one fight in ten days.
The prince shows off his won jade, only to learn it has a red twin and that sharing a pair means a couple; he orders it smashed, then stops.
Uk keeps losing to Jeongjingak mages until three toads remain, and the Crown Prince decides to fight the exhausted Uk himself.
Uk fills the jade with energy and the Crown Prince feels an irresistible pull; both are mortified to learn who made their heart race.
The Crown Prince arrives and demands Jin Mu explain the soul shifter eunuch and why Uk and his maid were nearly killed.
Park Jin offers a flimsy reason for Uk's visit, Uk accuses Jin Mu of hiding a soul shifter, and the Crown Prince orders a check on the eunuch.
The Queen brings Eunuch Kim in, apparently unharmed, and Uk realizes the ice stone revived him, so he takes the blame and calls it all a lie.
Park Jin apologizes and offers to fix the basin; when Jin Mu insists on punishing Uk himself, Mu-deok's wailing plea gets him released to Songrim.
Mu-deok admits the duels were training; the Crown Prince tosses the jade, calls her a liar, and makes her the prize of Uk's final duel.
Unconvinced by Cha Beom, the Crown Prince asks Seo Yul to fight Uk; Yul promises to win and to take Mu-deok as his maid.
Mu-deok says Uk would have beaten Cha Beom; the Crown Prince tells her she now serves Yul.
The Crown Prince has Eunuch Oh searching the grass for the discarded jade, until Mu-deok shows she already found it and keeps it.
Cha Beom mocks Uk's birth and chastity; Mu-deok calls him despicable, and the Crown Prince has her repeat it loudly and shows her his sachet.
Master Lee reveals he put Gwigu's spirit into a dead dog; its bark shows soul shifters are in the palace and the Queen demands it be taken away.
Ordered to kill the 'wily beast', the guards attack Uk; Jin Mu joins in until the King orders everyone to stop.
Over tea, a rumor about Naksu's new body leads to an argument over whether ordinary people are foolish or simply frightened.
Heo Yun-ok arrives to tend Uk's wound while the others gossip that Heo Yeom wants a grandson-in-law and Uk tops her list.
Jin Mu paints Gwigu as a Songrim threat and warns a King's Star from Songrim could justify taking the throne; the Crown Prince vows not to live in fear.
Both hunting Eunuch Kim's trail among the shamans, Uk and the Crown Prince haggle over information, the prince pulling rank every time.
An old shaman who reads Uk and the Crown Prince as suspiciously close recalls a hex-casting shaman who leapt into a fire while fleeing Jang Gang's mages.
Sworn to secrecy about Jang Gang's past, the pair realise someone is following them and separate to flush out their pursuer.
Jin Mu recasts Seo Gyeong as a controller, pitches the ice stone as eternal youth for a chosen few, and says Jinyowon's returned daughter can find it.
A Cheonbugwan log confirms Shaman Bong's story; Uk reveals Eunuch Kim served the Queen as Shaman Choi and that the real Queen still lives.
Inside Jeongjingak the young mages wonder if they died and reached utopia, joke about the Jade Emperor, and find the Crown Prince among them.
So-i pleads blindness to the Crown Prince's questions, and the prince waves off Mu-deok as a puppy who only follows her master.
A drink with the Crown Prince turns grim when a show of skill leaves Beom drained; Uk finds the barrier takes the energy of any spell.
Mu-deok offers Uk's favourite biscuits in thanks; the prince demands something grander and admits she backs away whenever he reaches for her.
Testing the barrier with stones, the two talk mothers, fathers and greed; Uk says he would do what Seo Gyeong did, then hits on a message plan.
Uk will use Tansu even if it costs his powers or life, asks the Crown Prince to handle the aftermath, and Mu-deok gives her blessing.
The King's Star appears, the barrier falls and the crowd hails the Crown Prince, while Uk and Mu-deok, both powerless, are just glad to be together.