Leanan Sidhe: the Destructive Muse [Meabh: she who intoxicates, the cause of great joy] Leanan Sidhe (pron: 'lan-awn shee') is a fairy of incredible beauty, who preys on artists (especially musicians.) She inspires previously unattained heights of creativity in her victim, but the price for such intense and short-lived happiness and success is the life and soul of her mortal friend.