Research upgradeImproved Iron Tools
+ 100% stone production (Equipment Multiplier)
Research data
- Research branch
- Quarry
- Unlock requirement
- Quarry level 3 · Blacksmith level 3
- Cost rank
- 15
- Wood cost
- 10,500
- Food cost
- 10,500
- Iron cost
- 8,750
- Gold cost
- 5,250
- Effect
- + 100% stone production (Equipment Multiplier)
Related game data
Research branch 1
Research cost 4
