Responses
well, she is the strongest assassin, not necessarily the strongest fighter. also, it was in her best interests to leave them alive, so she couldn't go all out.
Assasins are not fighters. They are good at tactics and strategist to slay a target, and also they must hide their identity so they do not fight hand to hand combat that much.
I don’t like how they made the FL the “strongest assassin” but then the past chapters shows that she couldn’t really beat the sly-(hot) fox dude and the his other ‘companion’ with the purple hair *sigh*