English (Source)
Whenever a trap or tower attacks an invader with <Highlight>0</> armor or fully penetrate its armor, it's struck by a moon beam dealing <Highlight>{{DAMAGE_PERCENT:percent}}%</> of the attack's damage again as true damage.
English Translation
Whenever a trap or tower attacks an invader with <Highlight>0</> armor or fully penetrate its armor, it's struck by a moon beam dealing <Highlight>{{DAMAGE_PERCENT:percent}}%</> of the attack's damage again as true damage.