Jin Mu offers the Crown Prince protection from the true King's Star
The fugitive Jin Mu finds the Crown Prince and tells him Uk is the real owner of the King's Star who will outshine him.

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 61–90 of 99
The fugitive Jin Mu finds the Crown Prince and tells him Uk is the real owner of the King's Star who will outshine him.
The Crown Prince tells Jin Mu to confess, but Jin Mu asks what he would do if Uk were secretly hiding the ice stone's power.
The Crown Prince admits he knows Uk saved everyone, confesses his bitterness and jealousy, and tells Mu-deok to leave with Uk far away.
Jin Mu convinces the Crown Prince that Songrim and Master Lee have deceived him to protect Uk, the real King's Star.
Officials debate Jang Uk's 1,000-nyang rewards and why he carries Naksu's sword; the Crown Prince is told to praise him in person.
Drinking alone among wraiths, Jang Uk trades barbs with the Crown Prince, who calls him a splinter; Uk says it cannot hurt more than a sword.
At a shady cosmetics shop Bu-yeon senses ominous energy and guilts a royal posing as a eunuch into buying a turtle.
Back at the palace, the Crown Prince insists the turtle only obeys him and solemnly orders it never to flip over.
Bu-yeon scolds the 'eunuch' for abandoning the turtle, confides her husband left her, and he admits he took it home after all.
The Crown Prince has his eunuch move a turtle to Chwiseonru as a kindness, then refuses to meet Jang Uk's bride.
Uk warms the cold water for the Crown Prince's turtle; hearing of it, the Crown Prince spirals into imagining what Uk meant by the gesture.
Jin Mu reveals he wants the fire bird and tells the Crown Prince their pact only ends if he confesses to Uk how Naksu was used and killed.
Feeding the turtle, Bu-yeon and the Crown Prince, whom she takes for a eunuch, swap marriage advice and confessions of feeling like a fraud.
The Crown Prince brings news of a posting to North Fortress, learns the turtle kindness was a mistake, and goads a listless Uk with his master's creed.
Facing Uk's sword, Go Won admits Uk's rage is aimed at him and asks him not to waste years of restraint; Songrim declares it stands with Uk.
Jin Mu claims the deaths settle the matter; the Crown Prince insists he must find a cure for Yul or Jang Uk will never back down.
After the standoff ends, Uk tells the Gwanju his own life hangs on whether Yul survives.
At Jinyowon, Go Won meets the shaman he knew and learns she is Jin Bu-yeon, and that Jang Uk is the husband she complained about.
Uk and Go Won use the gold's energy at the fire bird's barrier to pull the parasite from Bu-yeon, then race back to revive Yul.
Jin Mu reveals Uk is the late king's son with the King's Star and the Gold Plaque, and asks leave to send him far away.
A palace messenger delivers a chest; inside is the Gold Plaque left for the late king's son, and Go Won reports the turtle gone.
Go Won confirms Uk holds a Gold Plaque too, and tells him to go north if he will not fight over it; Uk obeys.
The Crown Prince says Uk fights only to protect others; Jin Mu calls that weakness and dismisses the missing turtle.
At court Uk is named general of North Fortress and asked whether his wife will come; he says she will not.
Bird-shaped earthenware panics the capital; Jin Mu admits he dumped it and plans to plant more in the canals with the Crown Prince's help.
Jin Mu and the Crown Prince charge Ho-gyeong with letting Songrim near the fire bird and point to her graying hair as proof she has weakened.
Bu-yeon arrives with the plaque, refuses to surrender it, and offers to prove her returning divine powers to Jin Mu.
Go Won reveals he never went north and wants to join Uk against Jin Mu, giving the pettiest possible reason: Jin Mu got rid of his turtle.
Uk admits Bu-yeon's heart is with someone who cannot recognize her; Go Won leaps to wild conclusions and mocks Uk's useless power in love.
The missing turtle turns up and a door to Gwido appears; Bu-yeon later admits she opened it herself and regrets what Uk saw.