The Pilfered Orb by Griselda_Gimpel - Jonathan Strange & Mr Norrell - Susanna Clarke, Pirane... https://archiveofourown.org/works/32048134 via @ao3org

When the Nameless King of Lost-hope's orb is stolen, he traverse the realms to look for it. When he finds himself in the House, he meets its inhabitant, who offers to assist him.

#JSMN #Piranesi #StephenBlack