“Nona, harap kau jangan menyusahkan diri sendiri. Biarlah urusan balas dendam ini kulakukan sendiri karena ini sudah menjadi tugasku yang suci.”

What's so virtuous and sacred about killing or taking another human life? If Lie Song meant about getting rid of evil deeds/being, perhaps can be so "holy/sacred" as he put it. But he wants "an eye for an eye"...