Copper Bulb
4
4Copper Bulb
Resource
Keeps monsters from spawning within 8 blocks at night, twice a torch's reach.
- Sells for
4 emeralds- Autocrafter
- 3×
Copper Ingot and 
Torch in 3s - A Bundle sends home
- 4× Torch
How to Get It
Made From
Uses up Copper Ingot and Torch.
Learned from the 
Copper Bulb Idea.