The Necromancer Theme Wall Pack is part of the Castle Builder System. It is made of "Dwarvenite" and includes some metal parts. This item was initially available as an add-on to a pledge level during the Castle Builder System Kickstarter. The item comes in both painted and unpainted versions.
The Necromancer Theme Wall Pack comes with these 10 pieces:
(2) Arrowslit Cover - Necromancer
(2) Hanging Skeleton
(2) Monster Face Shutter
(2) Standing Skeleton
(2) Head on Pike