Keeping the Overlord from getting the Dark Spark

This is how Keeping the Overlord from getting the Dark Spark goes in [[

[

Okay, here's the truth. You know that Dark Spark they're looking for? Twilight accidentally brought it here. We tried to get it back, but Pythor had a secret plot, and now the Overlord's right behind us and he's trying to kill us.

Princess Celestia: