English (Source)
1 Stack: <Highlight>+{AttackSpeed}% (+{AttackSpeedPerCommanderLevel}% per Commander level</> Attack speed.
2 Stacks: <Highlight>+1</> Module slot.
3 Stacks: Whenever this trap or tower attacks it gains <Highlight>1x</><Keyword>EBuffType::BUILDUP</>
4 Stacks: Whenever this trap or tower attacks there's a <Highlight>{BonusAttackChance}% (+{BonusAttackChancePerCommanderLevel}% per Commander level)</> chance to attack again.
Swedish Translation
1 stapel: <Highlight>+{AttackSpeed}% (+{AttackSpeedPerCommanderLevel}% per befälhavarnivå</> attackhastighet.
2 staplar: <Highlight>+1</> modulplats.
3 staplar: Varje gång denna fälla eller detta torn attackerar får det <Highlight>1x</><Keyword>EBuffType::BUILDUP</>
4 staplar: Varje gång denna fälla eller detta torn attackerar finns det <Highlight>{BonusAttackChance}% (+{BonusAttackChancePerCommanderLevel}% per befälhavarnivå)</> chans att attackera igen.