Neopolitan and the Goblet of Fire

(Based on, but not an answer to, DZ2's 'Silence Will Fall' challenge! WBWL! James Potter and Sirius-bashing! Female Harry!) When blown off the Atlas airship, Neopolitan was saved by a power from the world she came from. For Neo is actually Rose Potter...and she has been entered into the Tri-Wizard Tournament. Now, Roman Torchwick's partner is on the ascendancy in Magical Britain...