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Halo and Avatar: Last Airbender Crossovers
17 Avatar: The Soldier » by J.P. Fowler After Master Chief and Cortana crash-land on a strange planet following Operation: BLIND FAITH, they receive help from some of the locals: Aang, Katara, Sokka, Toph, and the rest of Team Avatar. Meanwhile, the war with the Fire Nation may be over, but the Gaang will need Chief and Cortana's help against a new threat: A powerful dark spirit bent on destroying all of humanity...
T, English, chapters: 7, words: 23k+, favs: 35, follows: 54, updated: 8/7/2020 published: 6/18/2020
4 Avatar: Lone Wolf by Abraham111123 Spartan B312 explores an odd planet, how will he interact with this new world?
K, English, Sci-Fi & Adventure, words: 729, favs: 7, follows: 6, 7/20/2017, SPARTAN-B312/Noble Six, Sokka, Katara
The Last Battle Front by FiraDragon Troy (Boy) and Chase (Girl) are sibling's living in Blue River Wis. While Chase was out one day reminiscing, she noticed the sky go gray. This was unusual for it was the middle of the day, broad daylight. Then she noticed a very similar symbol, one she'd seen from a video game, one that would change her life completely.
K+, English, Adventure & Fantasy, words: 767, 7/14/2015
20 Avatar: The Adventures of Rookie » by The Italian ODST John Oltz a.k.a 'Rookie' was being dropped into his next mission. But when things take a turn for the worse, he finds himself on a new world. With no contact with the UNSC he is forced to help his new friends in a deadly revolution
T, English, Mystery & Adventure, chapters: 4, words: 11k+, favs: 45, follows: 51, updated: 12/21/2014 published: 6/2/2014, [Aang, Katara] OC
16 Avatar: rise of anti-benders » by invincible824 After a hundred years of war, the avatar Aang thinks he can live a normal life, but the ONI take this peace to create another war where it will test all benders.
T, English, Sci-Fi & Fantasy, chapters: 7, words: 10k+, favs: 3, follows: 4, updated: 7/6/2014 published: 4/30/2013, Serin O./Serin-017, Aang
117 Visitor » by WARLOCK2552 Someone from the stars has come to their world. His arrival may have unforseen consequiences. Cross over with HALO.
T, English, Sci-Fi & Fantasy, chapters: 7, words: 47k+, favs: 193, follows: 210, updated: 6/18/2013 published: 7/3/2012, Master Chief/John-117
18 The Last Tale of John-117 » by Kamil the Awesome Year 2560. The UNSC, watching over the Avatar's world, sends a guardian to make sure the Fire Lord is defeated. However, events are now set in motion that will change everything.
T, English, Adventure, chapters: 6, words: 14k+, favs: 24, follows: 24, updated: 12/29/2012 published: 11/16/2012, Master Chief/John-117
35 Kungfubar » by ZecoreZecron With little supplies left and only half of a ship, the remaining crew of the Dawn sets down on what they think is an uninhabited planet. Instead they find a world at war with itself. Slight AU.
T, English, Sci-Fi & Adventure, chapters: 5, words: 9k+, favs: 45, follows: 58, updated: 8/13/2012 published: 3/14/2012, A. J. Johnson, Sokka
20 The Misadventures of Dorflap the Grunt » by AzureSpider Just something rather random I came up with. The untold tale of a Grunt who escaped Halo's destruction and ended up on a strange new world. DISCONTINUED.
K, English, Sci-Fi & Humor, chapters: 2, words: 2k+, favs: 15, follows: 16, updated: 5/2/2011 published: 4/17/2011, OC, Ty Lee
221 Reclaimer: The Last SPARTAN » by Classic Cowboy Book 3 Avatar postHalo 3. As the summer draws closer, the Fire Nation enlists the aid of a never before seen demonic force that even the Avatar is no match for, but in their darkest hour, help comes from the stars.
T, English, Adventure & Sci-Fi, chapters: 5, words: 13k+, favs: 156, follows: 199, updated: 4/13/2008 published: 10/2/2007, Master Chief/John-117, Aang
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