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Flash and Arrow Crossovers
48 To Change One's Fate » by TheEliteLabRatsLover Team Arrow and team Flash have come together to fight yet another dangerous meta-human. But when Oliver gets whammied by the Meta, and is shown the future? It leaves him struggling to do everything he can to change not only his own fate, but also the fate of a certain red-cladded speedster...
T, English, Drama & Suspense, chapters: 4, words: 5k+, favs: 37, follows: 51, updated: 4/23 published: 4/27/2017, Barry A./The Flash, Cisco R., Oliver Q./Arrow/Green Arrow, Felicity S./Overwatch
Contra Reloj by Anixita Music Meister les dio la oportunidad de ayudar a un héroe, lamentablemente tenían menos tiempo del que necesitaban.
K, Spanish, Angst, words: 909, 4/22, Barry A./The Flash, Oliver Q./Arrow/Green Arrow
5 Perdiendo el hábito » by PruePhantomhive Iris desapareció tras ir a Ciudad Star a investigar una nota. Para encontrarla, Barry terminó pidiendo la ayuda del alcalde Queen.
T, Spanish, Drama & Romance, chapters: 4, words: 15k+, favs: 11, follows: 8, updated: 4/21 published: 12/28/2017, [Oliver Q./The Arrow, Barry A./The Flash]
111 Unjustifiable » by CarVie16 New threats rise. Old threats return. A war is brewing, threatening to plunge the world into darkness. Team Flash, Team Arrow, the Legends, and Supergirl must unite to prevent the storm that comes their way. However, they must first each conquer their own obstacles in order to face the challenges ahead. (Based on Arrow S6, Flash S4, Supergirl S3, and Legends of Tomorrow S3)
T, English, Drama & Romance, chapters: 17, words: 79k+, favs: 39, follows: 37, updated: 4/20 published: 12/29/2017, Barry A./The Flash, Dr. Caitlin S., Oliver Q./Arrow/Green Arrow, Black Siren/Earth-2 D. Laurel Lance
481 Possibilities » by LycoX A series of one shots and ideas centered in the Arrow/Flash world. (Currently not accepting any idea requests)
T, English, Humor & Adventure, chapters: 170, words: 264k+, favs: 124, follows: 108, updated: 4/19 published: 3/5/2015, Barry A./The Flash, Oliver Q./Arrow/Green Arrow, Tommy M., John D./Spartan
19 Moments in the Multiverse » by xXxAngelStormxXx Events and moments accross the multiverse, So many universes, so many possibilities. (Have an idea? Requests and prompts are welcome! Drop me a message or comment and I'll try to write it!)
T, English, Romance & Adventure, chapters: 31, words: 24k+, favs: 9, follows: 7, updated: 4/16 published: 12/5/2017, [Black Canary/Earth-1 D. Laurel Lance, Oliver Q./Arrow/Green Arrow]
5 I'm Okay Really » by flarrow.huntbastian Barry thought he was okay but in the eyes of other he was slowly killing himself. Barry Allen, the anorexic by accident, but is it ever really intentional?
K+, English, Angst & Hurt/Comfort, chapters: 5, words: 2k+, favs: 8, follows: 16, updated: 4/13 published: 11/25/2017, Barry A./The Flash, Cisco R., Oliver Q./Arrow/Green Arrow, Felicity S./Overwatch
11 Hurt and Confusion » by flarrow.huntbastian Barry vanishes from existence leaving the rest of team Flash worried. Cisco one day comes up with the idea of calling Felicity and little do the rest of Team Flash know Cisco sent Oliver Queen as the Green Arrow over to Barry's supposedly empty abandoned apartment. When there Oliver finds something he's not expecting. Can he help heal Barry or will Barry just shut him out.
K+, English, Hurt/Comfort & Romance, chapters: 8, words: 4k+, favs: 13, follows: 24, updated: 4/13 published: 11/1/2017, Barry A./The Flash, Oliver Q./Arrow/Green Arrow
24 A League of their Own » by edmaster2 Green Arrow, Flash, Hawk Man, Hawk Girl, and Green Lantern have formed the Justice League to face threats that endanger more than their respective cities but the world. These are their adventures from facing Ras al ghul to Grodd's gorilla army, to solving the murder of a green Lantern, and breaking a two hundred year old curse.
T, English, Adventure & Friendship, chapters: 15, words: 37k+, favs: 15, follows: 13, updated: 4/10 published: 12/11/2015, Kendra S./Hawkgirl, Carter H./Hawkman, Oliver Q./Arrow/Green Arrow, Barry A.
49 Jonas Dearden Investigations » by LycoX After a premonition of a dark future the night before his return to Lian Yu from Russia disturbs his sleep, Oliver Queen sets out to discover if a key element of the vision is true. Upon learning it is, he vows to never again pick up the bow, instead opening a P.I. firm in Central City where he hires on newly-minted CSI, Barry Allen, and newcomer to Central City, Kara Danvers.
T, English, Friendship & Adventure, chapters: 21, words: 38k+, favs: 60, follows: 66, updated: 4/9 published: 1/15, Barry A./The Flash, Oliver Q./Arrow/Green Arrow
68 League of two Earths: new world » by athenaFlashLightning As Earth-1 and Earth-38 merge into one, teams Flash, Arrow, Supergirl and Legends come together to uncover the truth and fight the big threat that threatens to destroy the whole Multiverse
T, English, Adventure & Friendship, chapters: 32, words: 138k+, favs: 91, follows: 97, updated: 4/9 published: 3/9/2017, Barry A./The Flash, Dr. Caitlin S., Cisco R., Oliver Q./Arrow/Green Arrow
The House Par-tay! » by ishipitdaily Iris and Felicity wanted a peaceful life in the city. With friends like Flash (Barry Allen) how can they live comfortably? Their friends take it upon themselves to enter Felicity's apartment uninvited. "The door was open" being the first thing people say as they invade Felicity and Iris's apartment. After spending time with her acquaintances, Felicity finds they've grown on her. :)
T, English, Parody & Humor, chapters: 2, words: 4k+, favs: 1, updated: 4/5 published: 12/7/2017, [Iris W., Felicity S./Overwatch] [Barry A./The Flash, Leonard S./Captain Cold]
Snow to Frost by ImmortalPheniox So Alternate Universe where Caitlin unlocks her Killer Frost side earlier. After Ronnie sacrificed himself Caitlin's grief overwhelms her and she unlocks her Killer Frost earlier than the show. Maybe SnowBarry but it will most likely be SnowStorm (Caitlin and Ronnie). I'm not good with summaries.
T, English, words: 1k+, favs: 2, 4/5
12 PB&J is perfect » by gift of the gabz A bunch of Arrow/Flash oneshots that can be taken as connected or separate. 1. Barry walks into his office feeling pretty down, an unknown person in his chair has the ability to turn that all around. 2. "We could be heroes"
K, English, Friendship & Family, chapters: 3, words: 2k+, favs: 125, follows: 90, updated: 4/5 published: 1/16/2015, Barry A./The Flash, Oliver Q./Arrow/Green Arrow
18 Second Chances » by TrippinOverMyFandoms After his success in helping stop the Reverse Flash, the Arrow is called upon again to aid in the capture of Zoom. What happens when things go wrong and Oliver wakes up back in Starling City with a whole new set of second chances?
T, English, Mystery & Adventure, chapters: 9, words: 12k+, favs: 17, follows: 35, updated: 3/29 published: 9/25/2017, Barry A./The Flash, Oliver Q./Arrow/Green Arrow, Robert Q., Felicity S./Overwatch
The Fastest Girl Alive » by geekystuffbb04 My name is Clara West-Allen and I'm the fastest girl alive. At least that's what my dad says. He's called Barry West-Allen and according to him he's the fastest man alive, but he keeps meeting enemies that are faster than him. He's a forensic scientist in the city and secretly he works as Central Cities very own superhero-the Flash, but this isn't a story about him, this is about m
T, English, Sci-Fi & Adventure, chapters: 2, words: 1k+, 3/29
Sólo un momento by DoppelGangerSeven Definitivamente había sido buena idea seguir a Barry
K, Spanish, Romance, words: 309, favs: 2, 3/29, Barry A./The Flash, Oliver Q./Arrow/Green Arrow
252 Heroes in School » by CarVie16 High School AU. Barry Allen, Oliver Queen, and Kara Danvers may seem like ordinary high school students, but unknown to the world, they are the costumed heroes that fight to protect Silverstone City from evil. Can they balance their high school lives with their superhero lives?
T, English, Friendship & Romance, chapters: 45, words: 126k+, favs: 130, follows: 144, updated: 3/27 published: 3/28/2017, Barry A./The Flash, Dr. Caitlin S., Oliver Q./Arrow/Green Arrow, Black Canary/Earth-1 D. Laurel Lance
1 Young Flash » by TheFlashUniverse Barry lived an ordinary life in Central City as a 14 Year old Freshman. He had ordinary parents, an ordinary best friend, an ordinary school and ordinary life all together. That is, until October 12th when his life was flipped upside down.
K+, English, Sci-Fi & Adventure, chapters: 4, words: 5k+, favs: 5, follows: 4, updated: 3/26 published: 3/15
1 The Road Traveled by moonswirl Prelude #4 to ONCE MORE UNTO THE BREACH, coming in July. (See author's note inside) An AU story set across the Arrowverse. In this installment: John Diggle and Lyla Michaels have been divorced for ten years now, and this is why.
K+, English, Sci-Fi, words: 3k+, 3/20, [Lyla M., John D./Spartan]
55 To Hell and Back » by Nyame The AU where Oliver, Barry, and Kara survive Lian Yu together for years, raising a baby Kal-El, and are eventually rescued – by the League of Assassins. (Note: This version is unedited. For main, edited version, go to AO3)
T, English, Adventure & Friendship, chapters: 45, words: 131k+, favs: 171, follows: 173, updated: 3/20 published: 12/17/2017, Barry A./The Flash, Oliver Q./Arrow/Green Arrow, Slade W./Deathstroke
1 The Zoom Identity by LycoX What if Zoom wasn't a fake Jay Garrick but someone else entirely?
T, English, Drama & Family, words: 1k+, favs: 8, follows: 6, 3/20, Hunter Z./Zoom, Tommy M., Malcolm M./Dark Archer
No todos by DoppelGangerSeven Tal vez en otras circunstancias todo habría sido distinto
K, Spanish, words: 375, 3/13, Barry A./The Flash, Oliver Q./Arrow/Green Arrow
52 Scarlet Angel » by KatyCatGleek1694 After the aftermath of the singularity that nearly destroyed the entire city, Alicia Galloway never thought that on top of her grief for what had happened, that she'd be fighting Zoom and another unexpected enemy, and discovering a full multiverse of infinite Earths. Sequel to Flash and Angel.
T, English, Supernatural & Romance, chapters: 22, words: 74k+, favs: 11, follows: 10, updated: 3/12 published: 10/29/2017, [Barry A./The Flash, OC] Iris W., Oliver Q./Arrow/Green Arrow
1 A Common Cause by moonswirl Prelude #2 to ONCE MORE UNTO THE BREACH, coming in July. (See author's note inside) An AU story set across the Arrowverse. In this installment: Discover how Cisco Ramon came to be known as Arsenal...
K+, English, Sci-Fi, words: 3k+, 3/10, Cisco R., Cindy Reynolds/Gypsy
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