Dokebi

 is a traditional Korean monster living near Payon; it is a kind of good fairy. When it's getting bored playing alone, it gives riddles to travellers. A traditional Korean demon with the power to generate wealth. Using Mammonite is no big deal to them!

Other versions of RO have translated this monster as Dokaebi in their language.

Trivia

 * Dokebi is named for the fairy spirit in Korean folklore.