Insert two wall segments into a plastic stand so that they form a corner. Repeat to form three other separate corners. Join the other wall segments to the four corner sections made in the previous step, in order to form a rectangle.
Place the gold and platinum coins together to the side. This is known as the Treasury. Each hero starts the game with five gold coins. When heroes earn money, take coins from the Treasury. Return coins to the Treasury when spent.
Place the monster pieces where the Overseer can easily access them. This is known as the Monster Pool. Return the monsters to the Monster Pool after rooms are completed or when the monsters are defeated in the Catacomb Lord’s Lair.