Homestuck - John/Karkat, danger kink, 700 words

For a prompt on the Kink Meme. prompter asked for a troll/kid pairing where the troll was actually seen as intimidating/potentially dangerous (no abuse though!). 700 words of John thinking about what he finds sexy. Woo. Alas no onscreen smut, but suggestive.

( You're pretty sure he was cuter three years ago. )