"O Lord God of my father Simeon, who gavest him a sword to execute vengeance against strangers, who had defiled by their uncleanness,
and uncovered the virgin unto confusion: And who gavest their wives to be made a prey, and their daughters into captivity ... who were
zealous with thy zeal: assist ... me."
God not only approved of the Shechem massacre, he gave Simeon the sword to do it with. Judith asks God to help her to go and do likewise.
Judith prays that God will drown her enemies, like he did the Egyptians. 9:6-9
"Give me constancy in my mind, that I may despise him ... For this will be a glorious monument for thy name, when
he shall fall by the hand of a woman." 9:14-15
"God ... hath cut off the head of all the unbelievers this night by my hand." 13:27-20