July 23
Something's wrong.
The day after I made that promise to her, she was gone. I went to the gate like always, knocked, called out—but there was no answer. The forest was quiet, too quiet. I waited for hours, hoping she'd respond, but… nothing.
I don't know what happened. Did she leave? Did something happen to her? I can't shake the feeling that it has something to do with the kid I saw.
That morning, the gate was open, and there they were. A human, standing just inside the Underground. I tried to lighten the mood, made a pun like I always do. But their reaction… it wasn't what I expected.
They didn't laugh. They didn't even smile. Their expression was empty, serious, like they weren't even really there. And then I saw it—the dust on their clothes, the way they clutched that toy knife so tightly, like it was the only thing they had left in the world.
Something about them chilled me to the bone.
July 24
I've been keeping my distance, watching the kid from the shadows. The more I see, the more I realize how wrong this all is.
They aren't just walking through the Underground. They're killing their way through it. Every monster they encounter, they attack without hesitation. And it's not just defense—they seek out fights. They go out of their way to kill, like it's some kind of game to them.
Not even the Royal Guards could stop them. They fell like everyone else.
What is this kid? They're human, but… not like any human I've ever seen or heard about. There's something else inside them, something driving them forward.
July 25
Today was the worst day of my life.
Papyrus is gone.
Even after everything, my brother kept believing in that kid. He thought he could change them, reach them, make them see the good inside themselves. But they didn't see him as a friend. They saw him as another target.
I wasn't there when it happened. I didn't see it. But I found what was left of him, and it was more than I could handle. I couldn't even cry. I just stood there, staring, feeling something inside me break.
I should've stopped him. I should've kept him away from that kid. But now… it's too late.
July 27
The kid's killed everyone. Every monster in the Underground is gone. Even the leader of the Royal Guard didn't stand a chance against them. There's no one left. Just me and them.
I've been following them from a distance, trying to make sense of what's happening. They're covered in dust now, more than ever. The way they walk, the way they hold that knife… it's like they're not even human anymore.
I don't know what they are, but I know one thing—they're dangerous.
July 30
They finally reached the Judgment Hall.
I waited for them there, standing in the center of the room, ready to do my job. I spoke to them, laid it all out. Every action they've taken, every life they've ended—it was all laid bare. I told them what they already knew: that their sins were written in their soul.
But they didn't care. They weren't there to listen. They were there for a fight.
My magic eye, the one Gaster forced on me all those years ago, activated on its own. Karmic Retribution kicked in, punishing them with every blow they landed. I used every trick I had, every shortcut I'd learned, to keep them at bay. I dodged, I countered, I fought harder than I ever have in my life.
But it wasn't enough.
After what felt like an eternity, I was exhausted. My body couldn't keep up anymore, and I could barely stand. I dodged one final strike, but just as I thought I might have a chance, I saw it.
A ghost.
It slipped out of the kid's back, its shape dark and menacing. Before I could react, the kid lunged forward and landed their last blow.
I didn't even feel it.
As I lay there, fading away, I couldn't help but wonder: what was that thing inside them? And where did this all go so wrong?
I'm sorry, Papyrus. I'm sorry I couldn't protect you. I'm sorry I couldn't stop them. I'm sorry I made that promise.
Maybe I'll see you on the other side, bro.