Greg gets a brief look at that wild gaze, before yanking off the shadow sets him reeling on the ground. Pain and disorientation distract from the first part of Sans' rampage, but eventually he looks up to see the scene of fleshless carnage around him.

He still flinches back a little as Sans comes over. Though, the flinching just causes more lances of pain. By now he's fairly sure the huge skeleton monster isn't a bad guy, but it was a pretty brutal display he just watched.

Conflicted, confused, and concerned, Greg calls out to him. "Are you okay?"