Rei Kamiki -

That moment shattered Rei’s programming. She didn’t destroy Lullaby. She turned her bow on the Section IX command center, firing an arrow not of destruction, but of data—a virus that erased her own kill-switch. She went rogue.

Her signature weapon was a custom "Smart Bow" — a carbon-fiber arc that generated hard-light arrows. Each arrow could be programmed mid-flight: one could pierce tank armor, another could release a smokescreen, and a third could detach into a dozen seeking micro-drones. But Rei’s true power was her "Phantom Step," a predictive algorithm that let her see 0.3 seconds into the future, allowing her to fire arrows that literally could not miss. Rei Kamiki

"Why do you serve those who imprisoned you in a body of steel?" Lullaby asked. That moment shattered Rei’s programming