English (Source)
Whenever an invader within range dies, there's a <Highlight>{{ON_INVADER_DIED_WITHIN_RANGE:CHANCE:percent}}%</> chance to trigger a bonus attack.
Japanese Translation
射程内の侵入者が死亡するたび、<Highlight>{{ON_INVADER_DIED_WITHIN_RANGE:CHANCE:percent}}%</>の確率でボーナス攻撃を発動する。