This is how Starlight, Trixie, Thorax, and Discord encounter Skull Grinder goes in Skull Grinder's Revenge.
[Skull Grinder leads Skull Warrior, Skull Slicer, Skull Basher, and Skull Scorpio through the graveyard as the ponies approach from the opposite direction]
[Skull Grinder appearas]
Skull Grinder: So, you dared enter the graveyard in spite of my warning signs.
Starlight Glimmer: Those weren't warning signs.
Trixie Lulamoon: Those were traps.
Thorax: And we weren't going to fall for them.
Discord: Because we knew what they were to begin with.