Jihaguk daejeok toechi seolhwa (지하국대적퇴치 설화 The Downthrow of the Fearsome Underworld Enemy) is a Korean folktale about a heroic figure who defeats an underworld monster that kidnaps humans above ground and steals from them in order to marry the woman he rescues. The story features the theme of quest through the journey the protagonist embarks on to find his bride as well as the theme of eradication in terms of the protagonist’s defeat of the monster.