Kris stood near the back, watching, his eyes dark, resting,really,though you would never know it. He had thrown up most of the blood from Katara earlier, getting the venom out, right after he had made sure she got real blood inside her to replace what he had taken. Despite doing so, he still felt the taint, slightly.
Now, he was awaiting Sarah and the inevitable conversation where he told her what he had done.
He swallowed a sick sensation and swayed, then sat down. It had all taken a lot out of him, more than he thought.