Aufheben or Aufhebung is a German word with several seemingly contradictory meanings, including "to lift up", "to abolish", "cancel" or "suspend", or "to sublate". The term has also been defined as "abolish", "preserve", and "transcend.
No violence permitted on the first floor, I'm assuming that means any physical contact period is prohibited, even if Marco is dead, I imagine they aren't allowed to drag his body because it's still in the game.
I think they would land on the roof above the first floor, so physical contact should still be OK. Though I am not totally sure on the building's structure.
My guess is that she meant that the crash landing would potentially damage his retina and make the scan impossible.
If Some are confused, ... Rodem Healing by transitioning to Marco... He still hurt but his composure is rested. It's like a consciousness Tag team, It's not the first time he does it. Now Caracal just woke up and he is freaking out.