574 Slayers » by BakaOniisan Doom Slayer got tricked by the demons again and is sent to another world where he meets Goblin Slayer and his Party. He decide to search for the portal to Hell that sent him there and destroy it once he's back in Hell. The only clue he got is the weakest monsters that bow down to anyone stronger, like demons from Hell... His only clue are Goblins. Two slayers together for a quest!
Doom & Goblin Slayer/ゴブリンスレイヤー, M, English, Adventure & Fantasy, chapters: 19, words: 74k+, favs: 1k+, follows: 1k+, updated: 10/26 published: 10/27/2018, Doomguy
74 Doomed to be Damned, Damned to be Diamond » by SheosMan117 The Doom Slayer has managed to kill none other than the devil himself, the Dark Lord Davoth. But now a new world, a new set of challenges, awaits him. Follow along, as he wakes up in Remnant, learns to fit in and play by its rules, then rise to power, to save Remnant, make friends, to kill Grimm, and as always, rip and tear until it is done.
Doom & RWBY, M, English, Adventure & Sci-Fi, chapters: 26, words: 87k+, favs: 347, follows: 396, updated: 9/29 published: 8/9/2021, Doomguy, Glynda G., Team RWBY, Team JNPR
70 Hazbin Hotel: Eternal Doom » by TheWubbzler The Doom Slayer Returns to a Hell and spends the Night at the Hazbin Hotel, he also meets one Helluva Boss. (This is literally the first story I did for this site so let me know if I messed up or if I'm following the guidelines, I do have an overall story planned for this and even a Sequel idea that will be a stand alone.)
Doom & Hazbin Hotel, K+, English, Humor & Drama, chapters: 26, words: 126k+, favs: 204, follows: 181, updated: 9/5 published: 10/26/2020
104 Against All Evil » by Firestorm808 A series of interconnected One-shots and Arcs of the Doom Slayer's journey through the Omniverse, facing all manner of malevolent forces. Inspired by Universal DOOM by ImpulsiveWeaver.
Doom & X-overs, T, English, Supernatural & Adventure, chapters: 10, words: 32k+, favs: 181, follows: 221, updated: 8/3 published: 8/26/2022, Doomguy
16 Slayer among players » by Akscorpion The doom slayer finds himself in "the death game" of the SAO world. Here he finds new allies and more enemies to fight. Read as his story transports him to different parts of the SAO anime where he fights along Asuna and Kirito. (M for lots and lots of violence and soon blood)
Sword Art Online/ソードアート・オンライン & Doom, M, English, Fantasy & Sci-Fi, chapters: 12, words: 22k+, favs: 53, follows: 58, updated: 3/5 published: 9/29/2022
36 The Doom of Alagaësia » by Parahuman The Doom Slayer, after defeating Davoth, falls into a deep slumber lasting eons. Eventually he awakes in a cave in the Spine where he finds a dragon egg. All but a slight trickle of his former divinity is sealed away from him, leaving him barely above a mere mortal. Why has he awoken when Hell appears to still be sealed away, and will he finally find peace in this strange new land?
Doom & Inheritance Cycle, T, English, chapters: 4, words: 24k+, favs: 111, follows: 147, updated: 1/25 published: 12/27/2022, Doomguy
7 Indestructible by Johnnieboy11 A pilot and a Titan with an AI system escaped the clutches of their IMC masters, only to wind up in the middle of a weirdly-alien world full of monsters, people with soul powers and a massive shadow war that spans generations being waged against god-only-knew-what. The Pilot and his Titan begin their journey with a rather strange new friend in tow, into this wild World of Remnant.
RWBY & Titanfall, T, English, Adventure & Sci-Fi, words: 3k+, favs: 85, follows: 106, 12/29/2022, Penny P., Team RWBY, Team JNPR, OC
13 Velvet's Father is WHO? by vanquish356 I'm so sorry for this story. Today was the day of the parent-teacher conference that Ozpin had called out of nowhere. Everyone was worried but also curious about why Ozpin had called this meeting. However, that all changed when the parents and the students discovered that Velvet's father was the Doom Slayer.
Doom & RWBY, K+, English, words: 5k+, favs: 118, follows: 80, 12/27/2022, [Velvet S., Jaune A.] Doomguy
359 Doom Academia » by Deathmaywrite Three Hundred years. It'd been three hundred years since he was thrown into this hellscape. Three hundred years since he became one of the most fearsome beings in all of reality. Three hundred years since he began his genocide of demonkind. Now, though? Now he sat in his room, exactly how it had been the day he'd fallen through the hell portal. It was time for him to become a hero.
Doom & My Hero Academia/僕のヒーローアカデミア, T, English, Sci-Fi & Horror, chapters: 8, words: 63k+, favs: 1k+, follows: 1k+, updated: 11/28/2022 published: 8/31/2020, Izuku M., Toshinori Y./All Might, 1-A Students, Melissa S.
3 Doomed Smash by SheosMan117 This is an experiment. What if Doom Slayer joined Smash Bros. I don't even have a plot in mind right now, so we'll see how this goes shall we? If there is a plot, I'll update this summary to reflect it.
Doom & Super Smash Brothers, M, English, Fantasy & Adventure, words: 2k+, favs: 35, follows: 32, 11/17/2022, Doomguy, Palutena, Bayonetta, Pyra/Mythra
75 Doom Slayer of Zero (work in progress at last) » by TypicalRussianDude After Samuel Hayden sent Doom Slayer away, he was visited by an old friend who told him about a new threat in a new world, and that he is the only one who can stop it. What awaits him on the way? Will he finaly find peace in his ravenous hatred? Or he'll continue his eternal conquest? Blood, Gore, Violance & some anime. Reboot of the old version .
Doom & Familiar of Zero, M, English, Adventure & Fantasy, chapters: 4, words: 22k+, favs: 357, follows: 467, updated: 8/19/2022 published: 11/30/2017, Doomguy, Louise, OC
14 The Slayer has Arrived in Remnant » by Omega E The Reader As if the Grimm wasn't enough, demons have arrived in Remnant. Things truly look GRIMM for Remnant.
Doom & RWBY, M, English, Supernatural & Drama, chapters: 3, words: 4k+, favs: 36, follows: 40, updated: 3/13/2022 published: 2/22/2022, Doomguy, Team RWBY, Team JNPR
114The Slayer in another world (Doomslayer gets isekai'd) » by GhostColts141 After the events of Doom Eternal our favorite demon slaying badass Doomslayer gets transported into another world, join him in this cliché driven journey to stop the so called demon king from destroying this peaceful land.
Doom, T, English, Adventure & Parody, chapters: 4, words: 18k+, favs: 314, follows: 366, updated: 11/6/2021 published: 5/29/2020, Doomguy, OC
28 RAGE: Re-awakened » by FUCKING SLAYER The Doom Slayer has slain the Dark Lord. And with his journey done, he is forced to stay into an eternal slumber, until a new evil arises. The Father has failed with his first creation, there was nobody to make balance with Davoth. So now, he creates the Gods of Light and Darkness, the Brother Gods. But when evil re-awakens known as the Grimm, the Slayer must team up with children.
Doom & RWBY, M, English, Adventure, chapters: 17, words: 38k+, favs: 95, follows: 118, updated: 9/9/2021 published: 5/25/2021
22 Dark Reunion » by Savior16 Disclaimer. I do not own RWBY or DOOM. The former belongs to the deceased Monty Oum of Rooster teeth and the latter belongs to Hugo Martin of Id Software. I am not good with this.
RWBY & Doom, T, English, chapters: 26, words: 151k+, favs: 70, follows: 70, updated: 8/20/2021 published: 4/26/2021
106 Fate Grand Order: Kar en Tuk » by Alter Atalanta Our favorite guy will now travel through many periods of human history, in order to undo the Incineration of Humanity. And of course, he'll meet many mythical figures in the way. New chapters weekly or monthly. (New cover image was made by Substance20 (Twitter Handle: @S20 TBL))
Doom & Fate/Grand Order, M, English, Adventure & Romance, chapters: 21, words: 394k+, favs: 262, follows: 257, updated: 2/20/2021 published: 5/21/2020
260 Inferno » by Matteoarts He had no hope of rescue until he came across a lone Titan, her pilot killed in action. She had no hope of survival until he happened upon her. They met as foes, but fate made them friends. Now, they've uncovered something that could destroy everything that the frontier has worked to build. They must face the inferno of war together if they are to survive.
Titanfall, T, English, Sci-Fi & Hurt/Comfort, chapters: 21, words: 57k+, favs: 427, follows: 314, updated: 1/23/2017 published: 8/23/2016, OC