Seo Yul wakes after three days
Yul learns So-i died and the parasite is gone, and apologises to Bu-yeon about Danhyanggok as Master Lee arrives.

Every Alchemy of Souls moment featuring Seo Yul, in story order. Played by Minhyun.
134 moments · 5h 00m · by Favseen
Moments 121–134 of 134
Yul learns So-i died and the parasite is gone, and apologises to Bu-yeon about Danhyanggok as Master Lee arrives.
Yul asks if Master Lee knew who she was; Lee says two souls share the body and Jin Bu-yeon's will awaken and erase Naksu's.
Bu-yeon fusses over Uk before leaving and says she knew he was her husband at first sight, echoing an old memory, while someone watches.
Yul tells of a dream of losing someone he cherished, says she will learn who she really is, and asks her to turn a blind eye.
Yul sees So-i's body and the item she cherished, hears she thought he made the world bright, and asks for a warm, sunny grave.
Yul tells Lady Jin not to lock Naksu up, reveals her daughter's soul may return, and asks her to let Naksu stay for a while.
At Uk's graveyard Yun-ok splashes a scar-revealing medicine on Bu-yeon; Yul stops her, and Bu-yeon sees the blue marks and asks if she is her.
Two allies agree Uk is better off not knowing: with Hwansu he could keep Naksu's soul, but only through forbidden sorcery.
Pressed about the soul potion, the Queen defends taking young bodies; Yul answers that rain and sun must both end and no one should rule forever.
Seo Yul reveals Jin Mu controlled soul shifters, so the massacre was not her will; she refuses to accept it as an excuse.
Yul delivers the news Uk would rather not hear; Uk explains he turned away knowing he would have to slay her if he acknowledged her.
Told Bu-yeon exposed the soul shifter he spared, Uk vows to stop feigning ignorance, turns her accusation into his excuse and leaves to find her.
Bu-yeon wakes the fire bird atop the constellation basin and the seventh star guides it to Uk at Lake Gyeongcheondaeho, where it vanishes.
Seo Yul now leads Jeongjingak and recruits on passion alone, picking two unlikely pupils on Bu-yeon's word to outshine Uk.