A Mourner is a creature found in the Tempest in Wraith: The Oblivion. Although many consider them one of the many kinds of Whistimmu that create hazards throughout the Tempest, the truth is much more sinister and sad. * WTO: Wraith: The Oblivion Second Edition, p. 279 -280 * WTO: Ends of Empire, p. 74-77, 103