During the final battle, Harry uses the last trick that was up his sleeve. Up for adoption to anyone how wants to make it a full story! Not a creative title, I know.
Crossover - Harry Potter & Undertale - Rated: K+ - English - Chapters: 2 - Words: 746 - Reviews: 18 - Favs: 87 - Follows: 50 - Updated: 5/18/2016 - Published: 1/24/2016 - Harry P., Ron W., Papyrus, Sans - Complete