"Once you are out of the building I will." Hayley ordered back. 
If they did leave the building the following would happen: Hayley sent a purple shockwave straight at Deathstroke, using a lot of power behind it so she could attempt to take him out. The shock wave caused cracks to begin to form in the building. It had been almost full power but she didn't go full power so she would have energy to get out.
If they didn't: Hayley glared at Nate waiting for him to get out so she could go close to full power