[Asriel shakes his head. The action makes him dizzy, and he's surprised he's still conscious enough to do it.

But finally, he finds his voice.]

W-when I use that syringe, I'll use it on myself first... maybe it'll let me break the chain without me having to use it on you too.

[Because Asriel was the one who deserved this. He deserved to die slowly. Mettaton didn't need to suffer for what Asriel's done.

Maybe by the end of all this, death would end up being a mercy anyway.]