English (Source)
1 Stack: <Highlight>+{AttackSpeed}% (+{AttackSpeedPerLevel}% per Commander level) </> Attack speed.
2 Stacks: <Highlight>+{ExtraTargets}</> Target.
3 Stacks: Any time an invader dies within range there's a <Highlight>{Chance}% (+{ChancePerLevel}% per Commander level)</> chance to automatically attack a random invader within range.
4 Stacks: Whenever this tower kills an invader, all invaders currently on the map gain <Highlight>1x</><Keyword>EBuffType::DREAD</>.
Chinese Translation
1 层：<Highlight>+{AttackSpeed}%（每指挥官等级 +{AttackSpeedPerLevel}%）</> 攻击速度。
2 层：<Highlight>+{ExtraTargets}</> 目标。
3 层：每当范围内有入侵者死亡时，有 <Highlight>{Chance}%（每指挥官等级 +{ChancePerLevel}%）</> 概率自动攻击范围内一名随机入侵者。
4 层：每当此防御塔击杀一名入侵者时，地图上所有当前的入侵者获得 <Highlight>1x</><Keyword>EBuffType::DREAD</>。