It wasn't what they expected; You, as a vigilante. Even Bruce was shocked because how could he not have realized one of his children was a vigilante? They know it when your mask falls off your face, not because they are aware of its presence.

"We have to give you credit for your hiding skills." Dick broke the silence, Bruce's sharp gaze stopping his children's laughter and turning to you.

"Why didn't you tell us? It's dangerous to hide something like this from us." Bruce said in a harsh tone.