English (Source)
1 Stack: <Highlight>+{AttackSpeed}% (+{AttackSpeedPerLevel}% per Commander level) </> Attack speed.
2 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.
3 Stacks: <Highlight>+{ExtraTargets}</> Target.
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}%（每级指挥官等级 +{AttackSpeedPerLevel}%）</> 攻击速度。
2 层：任意入侵者在范围内死亡时，有 <Highlight>{Chance}%（每级指挥官等级 +{ChancePerLevel}%）</> 的几率自动攻击范围内一个随机入侵者。
3 层：<Highlight>+{ExtraTargets}</> 个目标。
4 层：每当该塔击杀一名入侵者时，地图上所有入侵者获得 <Highlight>1x</><Keyword>EBuffType::DREAD</>。