Counterattack I (Squad 2)

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

Upgrade costs

Counterattack I (Squad 2) base upgrade costs
From → To	Coins	Base work
0 → 1	72,364,300	13d 9h 29m
1 → 2	72,364,300	13d 9h 29m
2 → 3	79,600,800	14d 17h 37m
3 → 4	79,600,800	14d 17h 37m
4 → 5	87,560,900	16d 4h 59m

Requirements by target level

Level 1

Hold the Line I (Squad 2) level 1
(Scholar Tower I level 26 OR Scholar Tower II level 26)

Level 2

(Scholar Tower I level 26 OR Scholar Tower II level 26)

Level 3

Hold the Line I (Squad 2) level 3
(Scholar Tower I level 27 OR Scholar Tower II level 27)

Level 4

(Scholar Tower I level 27 OR Scholar Tower II level 27)

Level 5

Hold the Line I (Squad 2) level 5
(Scholar Tower I level 28 OR Scholar Tower II level 28)

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.