User Summary: The Underdoom Adventure Pack is part of Caverns Deep! Adventure packs contain unique terrain pieces specifically designed for their encounter area, unlike the core packs which contain the most commonly used terrain pieces. The Underdoom Adventure Pack contains unique pieces for Underdoom Encounter Area. It is made of "Dwarvenite" and includes some metal and magnetized parts. Some parts have LED circuitry (switch, battery, and socket) to support LED lighting attachments. This item was initially available as an add-on for the Build Your own Cavern pledge level or included in one of the other pledge levels during the Caverns Deep! Kickstarter. The item is available in unpainted versions or in one of two different paint schemes –Cavern or Underdoom. Underdoom Adventure Pack comes with these 16 pieces: (4) LED Wall Crystal (Wall Socket) (1) Magnetic Wall Insert (2) Law Arch Wall Insert (1) LED Basalt Floor (1) 2x4 Crystal Alcove w/ LED Sockets (2) Freestanding Basalt LED Floor Socket (2) Driftstone Dias Platform (2) Eldritch Eye LED Floor Socket (1) Magnetic Chained Crystal