Surprised, Karkat jumps, sidestepping quickly to get out of arms reach, and pulling his sickle out of his out of his sylladex. It's become an automatic reaction to anything that causes alarm, but he doesn't know Wesker enough to feel embarrassed by it.

Eyeing Wesker for any signs of more violence, Karkat keeps his sickle lowered, but ready. "Great impulse control there."

It reminds Karkat of one of his fellow trolls, but he's not sure if that's amusing or annoying.