The Haunted Palace S01E05 - The Eight-Foot-Tall Ghost Has an Ally

Cheol asks Monk Ga Seop if he could perform gubyeongsisik and drive the Eight-feet spirit out of the world. The monk tells him that they need to deplete the energy of the glowing pearl within his body to settle the resentment of the evil spirit. After Prince Yeong In's passing, Cheol finds out someone in the Palace is aiding the Eight-feet spirit.