From publisher blurb: A free addon for Beyond the Wall and Other Adventures detailing the dangers of the walking dead. Rules for the Underworld and the veil which separates it from the lands of the living. The Opened Barrow, a new Scenario Pack. The Risen Dead, a new Threat Pack. The Student of the Dark Arts, a new Character Playbook. New bestiary entries for undead monsters and new spells for necromancers and those who oppose them.