Oh. He... definitely hasn't changed his ways, then. [When Papyrus learned that Jenny and Emily had died decades ago? He'd held out a thought that maybe, just maybe, Dylan had figured out there was no good reason to go around killing people. That he should spend his life making people feel welcomed and entertained. But the previous year...] That's... a lot of years, to keep killing over. And sneaky, to hide it for so long.