LocationThe Penthouse TypeBuildingLocated inUnderwaysThe Penthouse is a Building in Underways.Appears in#1 Cunning Escapes#2 In and Out#3 The Man in the Box#4 A Black Sheep Among the Guards#5 Fire in the Hole#7 The Lord of Ruins#9 Making a Name#11 Breaking the Chain#12 The Uninvited#51 World of Endless Cold#89 Past and Future Graves