Watts, meanwhile, is more preoccupied with studying the creature. Even if it's terrifying to be in front of, even if part of him wants to try to run away, there's the analytical side of him that refuses to leave this unanswered. Who is this guy? Where did Sans go? Why does he have scraps of clothing on him, in that same faded blue like...

Oh. Oh, shit.

Now Watts knows why that thing tried to attack.

"What the fuck...?" he can't help but whisper under his breath, looking into the creature's eyesockets and searching for any hope of his friend behind this mutation he caused. He should have asked what was in that stupid formula...

"Sans? Sans, buddy, can you hear me? Is that... is that you?"

Ryoji looks behind him in shock, and Watts winces, but says nothing.