 The angel then charges Tnugdalus to well remember what he has seen and to report it to his fellow men.On recovering possession of his body, Tnugdalus converts to a pious life as a result of his experience.The "Visio Tnugdali" with its interest in the topography of the afterlife is situated in a broad Irish tradition of fantastical tales about otherworldly voyages, called "immram", as well as in a tradition of Christian afterlife visions, itself influenced by pre-Christian notions of the afterlife.