Craft the World Wiki
Master Construction|Master Construction/Underground|Master Construction
Tier 8
Prereq Advanced Fortifications
Unlocks Iron Door Iron Door
Brick Fence Brick Fence
Steel Wall Steel Wall
Lancet Window Lancet Window
Luxurious Wall Set Luxurious Wall Set
Iron Hatch Iron Hatch
Leads to Expert Cooking
Master Furnishing
Railroad Construction
This is the Underground World version of the tech. For the default, see: Master Construction.
For the Underground tree with all Underground World technologies, see: Tech Tree/Underground.