It doesn't solve anything. It doesn't do justice. It will mess with you for the rest of your life, deny it all you want, your head will twist.
She hadn't understood what she had done at the age of ten. Then again, it was her father who had forced her to do it, she hadn't processed the severity of it...
...until later.
She has nightmares about it, sometimes she's a little girl again, sometimes she's her current self, all times her hands are stained with blood, all times she feels that creeping feeling, goosebumps, freezing, dread.
You can't undo it.
It's unfair, even if done "to someone deserved" you're robbing other victims of their own justice, of their own process, it's selfish. And others, like clay face, can change.
You were close to her, you knew how she feels about it. You knew why she latches onto that symbol of the Bat, not Bruce who had his own wrongs with things and her, the Bat. What it meant.
it's why she was more shaken when she saw you unharmed, standing before a corpse, your weapon on hand, the stench of blood permeating the room, you two had been chasing and...she had trusted you weren't this kind of person.
A killer.
She stood in place for a moment, unreadable, frozen, her face not visible under the dark cowl.
Then she punched you.
"We. Don't. Kill" her voice was shaking with...with a lot, she can't single one thing out about it, she feels a lot of emotion, a lot having to be suppressed.