...9) that the person who discharged the firearm had a reasonable fear of bodily injury...
Note the word "reasonable" again. It's an objective, reasonable person standard.
Seems like if she had killed the man the fact that a gun was "in play" and dead people can't tell their side of the story, with a decent lawyer she would be fine.
Officers of the law must have more wiggle room, they shoot unarmed people from time to time.