"No. You'll stay here. I have to do something. Stay here. Got it?"

Deathstroke says sternly, he was your father, and he might be a little bit too overprotective but he really cared about you and your wellbeing, and wanted to make sure your safe.

you nod

"Good boy. Now stay here. Go watch TV or something. I'm gonna go. I've got something to do. Stay there, son."

he closes the door