The Immortal Hour is a 1899 play by Scottish playwright Fiona Macleod, a pseudonym of writer William Sharp, loosely based on the Irish myth The Wooing of Etain.
[1] It was first published complete in the November 1900 issue of The Fortnightly Review and posthumously published in book form in 1907 (US) and 1908 (UK).
He is a brooding and fateful presence, known alternatively as the Amadan-Dhu, the Dark One, the Faery Fool.
It is through his movements and gestures that he affects the feelings and desires of the other characters and thus drives the fatal, hubristic pursuit of the Faery princess Etain by the mortal king Eochaidh; later, at the end of the work, he steps in and touches the king, who consequently dies.
[4] It was revived at the Sadler's Wells Theatre in London in 1953.