"S-shit.."
The darkness has fully reached his neck now. It's like he's been engulfed in an inky shadow like substance
"U-um-it's-n-nothing...I-I should-go-" He seems uncharacteristically panicked
"GAH!"
It reaches his chin and his eyes widen
"Fuck-let me go. Right. Now."
"I'm serious-you need to let me go! A-and run!!"
"P-please-RUN!" The darkness swirls around his face and he pulls away, morphing into:
