103 No Rest for the Wicked » by aehawthorne John Constantine is a busy man. The last thing he needs is a summons from Lucifer Morningstar, former Lord of Hell, current rich playboy and nightclub owner, and the cause of all his troubles. Lucifer needs a favor from him, but his request is beyond both his abilities and expertise, so he calls his old acquaintance, Oliver Queen, and leaves him to deal with Lucifer's problem.
T, English, Mystery & Drama, chapters: 22, words: 23k+, favs: 19, follows: 18, updated: 7/25/2019 published: 3/17/2018
24 A Study in Magic » by showalittlefaith Oliver should have found an ally in John Constantine in his battle against Damien Dark. After all, it takes magic to fight magic. So what if Oliver had managed to recruit the demonologist, what would change? Takes place after the Arrow epiosde "Haunted"
K, English, Supernatural, chapters: 6, words: 16k+, favs: 70, follows: 87, updated: 3/12/2018 published: 7/19/2016
5 Blood On My Name » by RobinXVIII When Oliver finds John Constantine half-beaten to death. He takes him to the Arrow Cave and with the help of his team help the mage to recover. Olicity Pairing. Constantine WHUMP. Rated T for language. NO CHARACTER DEATHS.
T, English, Hurt/Comfort & Supernatural, chapters: 8, words: 9k+, favs: 34, follows: 35, updated: 10/19/2017 published: 5/30/2017, Oliver Q./Arrow/Green Arrow, Felicity S./Overwatch, J. Constantine
32 In Case Of Something Strange, Call John Constantine » by LycoX When something strange ends up happening to Oliver, an old friend of his is called in to help out.
T, English, Fantasy & Adventure, chapters: 10, words: 18k+, favs: 40, follows: 25, updated: 7/1/2017 published: 2/24/2017, Black Canary/Earth-1 D. Laurel Lance, John D./Spartan, Thea Q., J. Constantine
2 Oliver Learns Magic » by RobinXVIII What happens when Oliver Queen runs into John Constantine on his 'night off' and Constantine decides that Oliver should know a little magic. A little Constantine and Olive WHUMP. No SLASH.
T, English, Supernatural & Friendship, chapters: 6, words: 5k+, favs: 12, follows: 9, updated: 5/29/2017 published: 5/28/2017, Oliver Q./Arrow/Green Arrow, J. Constantine
Ever Changing by DCMultiverseLadies A Month Of Love. Day 11 of 28. Can you trust the girl trying to help.
K+, English, Romance, words: 513, 2/14/2017, Helena B./Huntress, Zed M.
11 Regrettable Favours by InsertImaginativeNameHere Things which didn't happen during 'Haunted', but the episode doesn't make much sense without. Such as Oliver explaining Constantine to Team Arrow, Constantine scrounging a lift from Chas, an expansion on Thea's thoughts about their visitor, Diggle complaining, and Damien Darhk hearing news about who was just in town.
T, English, Humor, words: 4k+, favs: 75, follows: 28, 11/7/2015, Oliver Q./Arrow/Green Arrow, Black Canary/Earth-1 D. Laurel Lance, John D./Spartan, J. Constantine
3 Exorcist, Demonologist, and Master of the Dark Arts by Evenmoor John Constantine calls on newly-returned castaway Oliver Queen as Oliver prepares to start his crusade to save Starling City. Minor spoilers for Arrow episode 4.05, "Haunted."
T, English, Friendship & Supernatural, words: 874, favs: 36, follows: 14, 11/5/2015, Oliver Q./Arrow/Green Arrow, J. Constantine