Grand Harvest I

Base reference costs and prerequisites. Supported through level 5; each row shows an explicit upgrade transition.

Upgrade costs

Grand Harvest I base upgrade costs
From → To	Coins	Base work
0 → 1	15,410,500	2d 17h 9m
1 → 2	15,410,500	2d 17h 9m
2 → 3	23,115,800	3d 12h 41m
3 → 4	23,115,800	3d 12h 41m
4 → 5	32,362,100	4d 14h 5m

Requirements by target level

Level 1

(Monster Slayer I (Squads 1 & 4) level 3 OR Monster Slayer I (Squad 2) level 3 OR Monster Slayer I (Squad 3) level 3)
(Scholar Tower I level 19 OR Scholar Tower II level 19)

Level 2

(Scholar Tower I level 19 OR Scholar Tower II level 19)

Level 3

(Monster Slayer I (Squads 1 & 4) level 5 OR Monster Slayer I (Squad 2) level 5 OR Monster Slayer I (Squad 3) level 5)
(Scholar Tower I level 20 OR Scholar Tower II level 20)

Level 4

(Scholar Tower I level 20 OR Scholar Tower II level 20)

Level 5

(Scholar Tower I level 21 OR Scholar Tower II level 21)

Reference research rows describe the level being reached. Prerequisites are expanded by the planner, including shared requirements once and all required building gates.

Reference snapshot: 24 October 2026. Community table agreement does not mean every value was independently verified in-game. View sources and uncertainty.