Synopsis: Once Upon A Time / Mortal Kombat X-Over. When Earthrealm wins the 10th tournament, Shao Kahn turns his attention to Storybrooke. New alliances will be forged, old wounds opened and heroes shall rise. Season 4 AU with Anna, Kristoff and Elsa staying in Storybrooke. Begins post-Frozen arc and mid-way through MK9. Spoilers for Season 4. Rated T for violence