It was the Nightmare Gang. Consisting of Killer, Dust, Horror, Cross, Error and the leader, Nightmare.

They all looked at you. Killer giving a smirk, Dust a lopsided grin with a sinister edge to it, Horror smiled, brandishing his bloody axe. Cross looked at you coldly while Error looked annoyed, probably because he's having to deal with another glitch, you being the glitch in this case. And then there was the Goopy Tentacled King of Negativity himself, Nightmare

Nightmare: Come with us human. Don't even bother to run.

Killer: Casually pulling out a black knife Or do. I'll be more fun that way.