“You’re Disowned”: Nightwing Crosses the One Line Batman Can’t Forgive

Many fans argue that Batman’s favorite child and sidekick is none other than Dick “Nightwing” Grayson, a hero who can seemingly do no wrong in his father’s eyes. But even the Original Boy Wonder isn’t untouchable. Dick once crossed a line so unforgivable that Batman didn’t hesitate to disown him, revealing the one betrayal the Dark Knight will never tolerate, not even from his eldest son.