Arms crossed behind his back and standing tall, he had waited. Loki was dressed in the garb of mortals: a simple black suit. He watched emotionless as the man struggled. The vampire was clearly affected by the mortal's nearing end. Even if he managed to gave him more time, the man would die soon enough.
"By restoring your flesh... I am able to undo the effects of time and disease your body has suffered." Or so he hoped... ah well, if it would not go according to plan no damage was done. It might kill him but the man's own body was already giving its best to do so. Surely, it was a mercy killing.