The waiting was very much a part of this. Octavia could show her control over the situation by making him follow her orders without her being in the room - and she could derive pleasure from seeing that he had.

That he was.

Which she did right now, stepping into the room. She stopped near the door, just so she could spend a second looking him over.

"Oh, good Devil."

(There was a part of her that wanted to just jump him right now. But, no.)