Economy

Stone Gathering IV

Enhances Stone Gathering Speed

Max level

3

Effect

Stone Gathering Speed

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	930,000	930,000	180,000	46,000	12,000	7h 46m 40s	2,000	Academy 26 Iron Output IV 1	16%
2	1,300,000	1,300,000	260,000	65,000	16,000	11h 40m	4,000	Academy 27	32%
3	2,700,000	2,700,000	550,000	130,000	36,000	1d 7h 6m 40s	6,687	Academy 28	53.5%

Related research

Economy

Iron Output IV

Enhances Iron Output at Ironworks

Iron Output

Max level 3View levels →

Economy

Iron Mining IV

Accelerates Iron Gathering

Iron Mining Speed

Max level 3View levels →

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