This story is a sequel to You Can Go With This
Much to her surprise, Twilight receives an invitation to the Dragon Lands.
As it turns out, she is brought there under false pretences. A monster has moved in recently, and despite the best efforts of the locals they haven't been able to shift it. Could Twilight, being as how she has monster experience, have a look?
She has a sneaking suspicion it may be a 'monster' she's familiar with.