English (Source)
Whenever this tower kills an invader there's a <Highlight>{{ON_INVADER_KILLED:CHANCE:percent}}%</> chance to trigger a bonus attack.
Polish Translation
Ilekroć ta wieża zabije najeźdźcę, istnieje <Highlight>{{ON_INVADER_KILLED:CHANCE:percent}}%</> szansy na uruchomienie bonusowego ataku.