Dahil sa inggit, binugbog nina Don Pedro at Don Diego si Don Juan at iniwan siyang duguan. Sila ang nagdala ng ibon sa Berbanya, ngunit tumangging umawit ang Adarna dahil wala si Don Juan. Nang makabalik si Don Juan sa tulong ng isang matanda, umawit ang ibon, gumaling ang hari, at nabunyag ang katotohanan. Ang Pakikipagsapalaran sa Reyno de los Cristales
Don Juan leaves the well but finds his path to the palace blocked by giants. He defeats them with the help of a magic whip. The Adarna Bird, unable to sing for the lying princes, reveals their betrayal. The King punishes the brothers, and the story ends with a grand wedding between Don Juan and the now-freed Princess Leonora.