Bottom of the stairs, first shop on the right.
Open during construction.
| 1 Stack of Iron Ingots | 1 Diamond | |
| 4 Stacks of Iron Ingots | 3 Diamonds | (25% Off) |
| 10 Stacks of Iron Ingots | 7 Diamonds | (30% Off) |
| 164 Iron Blocks (Full Beacon) | 16 Diamonds | (30% Off) |
Open during construction.