It was an anger frenzy more than a hunger frenzy, but once he had finished attempting to punch Karkat in the face he had seen the young man's bare neck and deep down, he was a little peckish... So biting occurred. And drinking. He dropped his walking stick into the snow, latched onto Karkat with undead ferocity, and only partially came back into his right mind when the calm settled upon him. It silenced his Beast nicely, but the rest of him was worn dreadfully numb and sluggish.

Who was he feeding from? What was he doing? Well... no matter. Let's have a few more mouthfuls....