Room Mine
Technology None
Base mining time Depends on Mine level
Resources n/a

Crystal is a mined resource. It is required to construct a number of rooms and items of furniture in a dungeon and to upgrade certain creatures. It is initially placed in the mine it was mined from, but is eventually transported to the storage room.

Crystal costs 8 gold per unit when purchased from the black market.

Used to make (crafted resources): Edit

Goblin Twine
Mana Spark
Prismatic Glass

Used to make (furniture): Edit

Ashen Fireplace
Coarse Mat
Dark Nook
Dining Table
Drafting Table
Ethereal Cube
Fire Pit
Jewel Case
Quiet Study
Rickety Cart
Slop Bucket
Storage Crates
Training Dummy
Treasure Chest
Ward of Containment
Warlock Bed