Widening Passage 95° PVC (Unpainted) KS6 Archway Underdoom 1 5 B dk Style:Natural Grain Archway Underdoom 1 5 B dk Plain Cavern Wall Underdoom 3 5 BB dk Straight Cavern Pools Wall Underdoom 2 5 BC dk Copper Vein Cavern Wall Underdoom 2 5 CC dk 2x2 Stepped Floor Underdoom 2 CV 601 dk Straight Cavern Puddle Wall Underdoom 2 CV 603 dk Diagonal Cavern Wall Underdoom 2 CV 606 dk Cascading Pool Cavern Corner Underdoom 2 CV 609 dk 2x2 Cavern Floor Underdoom 5 CV 612 dk 2x2 Stagnant Puddle Floor Underdoom 2 FE 606 dk Corner Fill Stalagmite Underdoom 2 FE 607 dk Rising Stalagmite Underdoom 1 FE 624 dk Pointy Stalagmite Underdoom 1 TR 610 dk Hole Floor Underdoom 1 TR 611 dk Hole Floor Lid Underdoom 1 TT 616 2x2 Texture Necrotic Sludge 1 TT W04 2x2 Texture Acid 1 so the Build Guide is inaccurate in some areas as the piece composition was altered so each could be built as an individual encounter