Unit Development

1. Train Units

• How to train units

Tap the unit type building > enter the training screen > select the number of units you'd like to train > then tap "Train"

• Resource Cost

Training units requires Food, Wood, Stone, and Iron

• Training Speedup

Training units takes time. You can use speedup items or Gold to accelerate the process

2. Promote Units

• Why Promoting Units

After promotion, units will be upgraded to higher-level units

• Promotion Condition

Unlock higher-level units 

• How to Promote

Tap the unit type building > enter training > select the number of units to promote > tap "Promote"

• Resource Cost

Promoting units requires  Food, Wood, Stone, and Iron 

• Promotion Speedup

Promoting units takes time. You can use speedup items or Gold to accelerate the process