Where did I come from? Let's see...

[Don't mind her, she's just retracing her whole path in her head.]

Let's see, I went from my dorm to the orchard and then stopped by to make sure there weren't any more of those things hiding out in other areas of the school, and then I had to backtrack a bit to avoid getting spotted...

I'm pretty sure I came from the left, if we're facing the building.