"El caballero encantado (cuento real... inverosímil)" by Benito Pérez Galdós is a novel written in 1909. Marqués Carlos de Tarsis, a wealthy nobleman who squanders his fortune through extravagance, faces ruin and seeks salvation through marriage. When his plans fail, he suffers an enchantment that transforms him into Gil, a humble laborer in the Castilian countryside. Through this magical punishment imposed by "La Madre," he experiences the harsh reality of rural poverty and exploitation, setting him on a path toward personal redemption and social regeneration. (This is an automatically generated summary.)