The Necromancer Theme LED Pack is part of the Castle Builder System. It is made of "Dwarvenite" and includes some metal parts. Some parts have LED circuitry (switch, battery, and socket) to support LED lighting attachments. Some parts lighted by an LED. 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 LED Pack comes with these 16 pieces:
(8) LED Rune Claw
(2) LED Circular Socket
(4) LED Socket Pillar
(2) LED Claw Brazier