Economy

Stone Output V

Enhances Quarry Speed

Max level

3

Effect

Stone Output

Plan in calculator

Research levels

Cost, base research time, power, prerequisites, and total effect at each level.

Level	Bread	Wood	Stone	Iron	Gold	Research time	Power	Requirements	Effect
1	2,200,000	2,200,000	440,000	110,000	64,000	2d 21h 26m 40s	2,080	Academy 28 Iron Mining IV 1	8%
2	3,000,000	3,000,000	610,000	150,000	89,000	4d 8h 10m	4,160	Academy 29	16%
3	6,600,000	6,600,000	1,300,000	330,000	190,000	11d 13h 46m 40s	6,760	Academy 30	26%

Related research

Economy

Iron Mining IV

Accelerates Iron Gathering

Iron Mining Speed

Max level 3View levels →

Economy

Iron Output V

Enhances Iron Output at Ironworks

Iron Output

Max level 3View levels →

Values may change as the game is updated. Check current requirements before committing resources.