Batman the Animated Series and Halo Crossovers
Ultimatum- Part 6 by GradualHail6758 reviews
This is what happens when the Spartans we ended with in Ghosts of Onyx find themselves in separate worlds where magic is real, technology is slow, heroes exist, and the missing could be closer than you think. Based off the characters from the books, games, cartoons, comics, tv series and movies that make up this web of worlds. *(later feeds into Justice League)
Rated: T - English - Adventure - Chapters: 1 - Words: 4,499 - Reviews: 2 - Favs: 2 - Follows: 9 - Published: 5/16/2013 - Harley Q., Pamela I.
Shadow warrior by autobot fangirl reviews
After the events of Halo 3, the covenant have activated a final plan: Jump universes and make a pact with the new Gods of Apokolips. The UNSC is right behind them. And then there's Danni. Who was adopted by Bruce Wayne after the night the Batman changed her life forever. Alternate JLU/JLA/BTAS universe.
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 4,470 - Reviews: 5 - Favs: 5 - Follows: 7 - Updated: 10/11/2012 - Published: 8/27/2012