Tags
These are some of the most popular tags used in the collection.
- Abduction
- Ableism
- Abuse
- Abusive Relationships
- Accidental Child Acquisition
- Accidental Cuddling
- Action
- Action/Adventure
- Additional Warnings Apply
- Adorable
- Adorable Steven Grant (Marvel)
- Adventure
- Aftermath
- Aftermath of Torture
- Age Difference
- Aizawa Shouta & Iida Tensei & Kayama Nemuri & Yamada Hizashi Friendship
- Albus Dumbledore Bashing
- Alcohol
- Alderaanian Culture & Customs (Star Wars)
- Alfred Pennyworth is the Best
- All Caste (DCU)
- All Caste Jason Todd
- All-Blades (DCU)
- Alternate Hogwarts House Sorting
- Alternate Universe
- Alternate Universe - Canon
- Alternate Universe - Canon Divergence
- Alternate Universe - Everyone Lives/Nobody Dies
- Alternate Universe - Reincarnation
- Alternate Universe - Time Travel
- Ambiguity
- Ambiguous Relationships
- Anal
- Anal Sex
- Anbu (Naruto)
- Anbu Hatake Kakashi
- Anbu Root (Naruto)
- Angst
- Angst and Humor
- Angst and Hurt/Comfort
- Angst with a Happy Ending
- Animal Summons (Naruto)
- Animals
- AO3 Tags - Freeform
- Apprentice Harry Potter
- Arranged Marriage
- Asexual Character
- Asexual Jonathan "Jon" Sims | The Archivist
- Asexuality
- Asexuality Spectrum
- Assassination
- Assassins & Hitmen
- Assault
- Attempt at Humor
- Attempted Kidnapping
- Attempted Rape/Non-Con
- Attempted Sexual Assault
- Audio Content
- Audio Format: M4B
- Audio Format: MP3
- Auror Harry Potter
- Aurors
- Autism
- Autism Spectrum
- Autistic Characters
- Autistic Dexter Morgan
- Azkaban (Harry Potter)
- Background Relationships
- Badass
- Bakugou Katsuki Swears A Lot
- Bakugou Katsuki-centric
- BAMF Aziraphale (Good Omens)
- BAMF Dai-nana-han | Team 7 (Naruto)
- BAMF Harry Potter
- BAMF Haruno Sakura
- BAMF Hatake Kakashi
- BAMF Jason Todd
- BAMF Luna Lovegood
- BAMF Molly Weasley
- BAMF Nara Shikamaru
- BAMF Neville Longbottom
- BAMF Orochimaru (Naruto)
- BAMF Percy Weasley
- BAMF Tony Stark
- BAMF Uchiha Sasuke
- BAMF Uzumaki Naruto
- BAMF Will Graham
- BAMF Women
- BAMFs
- Batfamily (DCU)
- Batfamily Bonding (DCU)
- Batfamily Drama (DCU)
- Battle
- BDSM
- Becoming a Fear Entity Avatar (The Magnus Archives)
- Beholding Avatar Jonathan "Jon" Sims | The Archivist
- Beholding Avatar Powers (The Magnus Archives)
- Beholding Avatar Sasha James
- Beholding Avatar Tim Stoker (The Magnus Archives)
- Bella Swan Bashing
- Beverly Katz is the Best
- Beyond Birthday is His Own Warning
- Biromantic Jonathan "Jon" Sims | The Archivist
- Bisexual Character
- Bisexual James Doakes
- Bisexual Peter Parker
- Bisexuality
- Bittersweet
- Bittersweet Ending
- Black Family Drama (Harry Potter)
- Blades
- Blanket Permission
- Blind Character
- Blindness
- Blood
- Blood and Gore
- Blow Jobs
- Body Horror
- Bonding
- Book 3
- Book 3: Harry Potter and the Prisoner of Azkaban
- Bottom Harry Styles
- Bottoming
- Bruce Wayne is So Done
- Bucky Barnes Has PTSD
- Bucky Barnes Needs a Hug
- Bugs & Insects
- Burns
- Cage Fights
- Canon Asexual Character
- Canon Divergence - Red Wedding | Roslin Frey and Edmure Tully's Wedding Goes Differently
- Canon LGBTQ Character
- Canon-Typical The Stranger Content (The Magnus Archives)
- Canon-Typical Violence
- Canon-Typical Worms (The Magnus Archives)
- Canonical Character Death
- Cassandra Cain Being a Little Shit
- Cat Summons (Naruto)
- Cats
- Chakra Chains (Naruto)
- Character Bashing
- Character Death
- Character Death Fix
- Character Development
- Character Study
- Characters Being Bad at Feelings
- Characters in Love
- Cheesy
- Child Abuse
- Child Hatake Kakashi
- Child Soldiers
- Childhood
- Childhood Trauma
- Children
- Cities
- Civil War Team Iron Man
- Civilian Jason Todd
- Clan Head Uchiha Itachi
- Clones
- Co-workers
- Comedy
- Coming Out
- Communication
- Communication Failure
- Complete
- Complicated Relationships
- Concept: The Force (Star Wars)
- Confused Batfamily (DCU)
- Confused Nara Shikamaru
- Confused Tony Stark
- Confusion
- Connor Needs a Hug (Detroit: Become Human)
- Consensual
- Consensual Sex
- Consensual Underage Sex
- Consent
- Consent Issues
- Conspiracy
- Coping
- Correspondence
- Courting Rituals
- Courtroom Drama
- Courtship
- Crack
- Crack Treated Seriously
- Crazy Gotham City (DCU)
- Cross-Post
- Cross-Posted on FanFiction.Net
- Crossover
- Crossovers & Fandom Fusions
- Crowley is So Done (Good Omens)
- Crowley's Name is Crawly | Crawley (Good Omens)
- Crushes
- Cuddling & Snuggling
- Culture
- Custody Arrangements
- Cute
- Damian Wayne Feels
- Dark
- Dark Character
- Dark Harry Potter
- Dark Lord Harry Potter
- Dark Magic
- Dark Will Graham
- De-Aged Haruno Sakura
- De-Aged Uchiha Sasuke
- De-Aged Uzumaki Naruto
- Dead Dove: Do Not Eat
- Death
- Deception
- Deities
- Deity Hatake Kakashi
- Deity Peter Parker
- Dementors (Harry Potter)
- Demigod Peter Parker
- Demigods
- Demisexual Dexter Morgan
- Demisexuality
- Detective Ahsoka Tano
- Detectives
- Dialogue
- Dialogue Heavy
- Dick Grayson is So Done
- Dimension Travel
- Disability
- Disabled Character
- Dissociative Identity Disorder
- Do-Over
- Dogs
- Dom/sub
- Domestic
- Domestic Avengers Team Members (Marvel)
- Domestic Fluff
- Doujutsu (Naruto)
- Drama
- Dreams and Nightmares
- Drinking
- Drug Use
- Drug Withdrawal
- Drugs
- Dubious Consent
- Dubious Ethics
- Dubious Morality
- Edo Tensei | Impure World Reincarnation
- Education
- Eldritch
- Emetophobia
- Emotional Hurt/Comfort
- Enemies
- Enemies to Friends to Lovers
- Enemies to Lovers
- Eternal Mangekyou Sharingan (Naruto)
- Ethics
- Eventual Fluff
- Eventual Happy Ending
- Eventual Smut
- Everybody Lives
- Everyone is Alive
- Everyone Needs a Hug
- Evil
- Evil Hermione Granger
- Explicit Sexual Content
- Extremis (Marvel)
- Extremis Tony Stark
- Fake Character Death
- Falling In Love
- Familial Abuse
- Family
- Family Bonding
- Family Drama
- Family Feels
- Family Fluff
- Family Issues
- Fanfiction of Fanfiction
- FanFiction.Net
- Fear Entity Avatar Jonathan "Jon" Sims | The Archivist
- Fear Entity Avatar Martin Blackwood
- Fear Entity Avatar Sasha James
- Fear Entity Avatar Tim Stoker (The Magnus Archives)
- Feels
- Female Characters
- Female Harry Potter
- Fights
- First Meetings
- First Time
- Firsts
- Fix-It
- Fix-It for Movie: Avengers: Endgame (2019)
- Fix-It for Movie: Spider-Man: No Way Home (2021)
- Fix-It of Sorts
- Flower Symbolism
- Flowers
- Fluff
- Fluff and Angst
- Fluff and Crack
- Fluff and Humor
- Food
- Force Sensitivity (Star Wars)
- Force-Sensitive Leia Organa
- Forgiveness
- Forks Washington
- Found Family
- Founding of Konohagakure | Hidden Leaf Village
- Frenemies
- Friends to Lovers
- Friendship
- Friendship/Love
- Fruit
- Funny
- Fuuinjutsu (Naruto)
- Fuuinjutsu User Uzumaki Naruto
- Game-Canon Eskel (The Witcher)
- Genderfluid
- Genderfluid Character
- Genderfluid Loki (Marvel)
- Genin (Naruto)
- Genin Teams (Naruto)
- Gloomy Gotham City (DCU)
- Gods
- Gojo Satoru and Hatake Kakashi are Siblings
- Good Albus Dumbledore
- Good Friend Gaara (Naruto)
- Good Friend Loki (Marvel)
- Good Friend Luna Lovegood
- Good Friend Neville Longbottom
- Good Friend Ron Weasley
- Good Friend Thor (Marvel)
- Good Sibling Uchiha Itachi
- Good Slytherins
- Good Teacher Hatake Kakashi
- Good Tom Riddle | Voldemort
- Good Uchiha Obito
- Good Voldemort (Harry Potter)
- Gore
- Grandparents & Grandchildren
- Graphic Depiction of Injuries
- Graphic Description
- Grief/Mourning
- Guerrilla Warfare
- Guilt
- Hair
- Hanahaki Disease
- Hand Jobs
- Happy
- Happy Ending
- Happy Uchiha Sasuke
- Harm to Children
- Harry Potter Epilogue What Epilogue | EWE
- Harry Potter Has PTSD
- Harry Potter In Love
- Harry Potter is a Brat
- Harry Potter is a Horcrux
- Harry Potter is a Little Shit
- Harry Potter is Bad at Feelings
- Harry Potter is Lord Potter
- Harry Potter is So Done
- Harry Potter is the Heir to the House of Black
- Harry Potter Needs a Hug
- Harry Potter Raises Teddy Lupin
- Hatake Kakashi Feels Guilty
- Hatake Kakashi Has a Sibling
- Hatake Kakashi Has Issues
- Hatake Kakashi Has Long Hair
- Hatake Kakashi is a Little Shit
- Hatake Kakashi is Bad at Feelings
- Hatake Kakashi is Not Okay
- Hatake Kakashi is Trying
- Hatake Kakashi Makes Mistakes
- Hatake Kakashi Needs a Hug
- Hatake Kakashi-centric
- Healthy Relationships
- Hidden Villages (Naruto)
- Hogwarts Era
- Hogwarts Fifth Year
- Hogwarts Houses
- Holidays
- Homeless Peter Parker
- Homelessness
- Homophobia
- Homophobic Language
- Homosexuality
- Hopeless Romantic Harry Potter
- Horcruxes
- Horror
- How Do I Tag
- Human
- Human Disaster Regulus Black
- Human Kyuubi | Nine-tails | Kurama
- Humor
- Hurt
- Hurt Connor (Detroit: Become Human)
- Hurt Crowley
- Hurt Crowley (Good Omens)
- Hurt Peter Parker
- Hurt/Comfort
- Hydra (Marvel)
- Hyuuga Hizashi Lives
- Hyuuga Neji Lives
- I Wrote This Instead of Sleeping
- I'm Bad at Tagging
- I'm Going to Hell
- Idiots in Love
- Illnesses
- Immortal Harry Potter
- Immortals
- Implied/Referenced Abuse
- Implied/Referenced Character Death
- Implied/Referenced Child Abuse
- Implied/Referenced Drug Addiction
- Implied/Referenced Drug Use
- Implied/Referenced Rape/Non-con
- Implied/Referenced Self-Harm
- Implied/Referenced Suicide
- Implied/Referenced Underage
- Implied/Referenced Underage Sex
- Independent Harry Potter
- Inheritance
- Injury
- Insane Harry Potter
- Insanity
- Inspired by Fanfiction
- Inspired by Road to Nowhere - Aerugonian
- Interrogation
- Intrigue
- Issues
- It Gets Worse Before It Gets Better
- It/Its Pronouns For Michael | The Distortion (The Magnus Archives)
- Jason Todd is Not Red Hood
- Jason Todd Lives
- Jinchuuriki (Naruto)
- Jonathan "Jon" Sims | The Archivist Needs Therapy
- Jounin Sensei Orochimaru (Naruto)
- Jujutsu Kaisen Manga Spoilers
- Jujutsu Kaisen Spoilers
- Jutsu (Naruto)
- Kamihara Shinya | Edgeshot-centric
- Kekkei Genkai | Bloodline Limit
- Khonshu Being an Asshole (Marvel)
- Kid Fic
- Kidnapping
- Killing
- Kinjutsu | Forbidden Techniques
- Kissing
- Konohagakure | Hidden Leaf Village
- Konohagakure | Hidden Leaf Village Bashing
- Kuchiyose no Jutsu | Summoning Technique
- L Misses Yagami Light
- Language
- Language Barrier
- Language of Flowers
- Lazarus Pit (DCU)
- Legal Drama
- Leia Organa-centric
- Leta Lestrange Lives
- Letters
- LGBTQ Character
- LGBTQ Themes
- Lies
- Light Angst
- Light Dom/sub
- Light-Hearted
- Location: Gotham City (DCU)
- Lonely Avatar Martin Blackwood
- Long
- Long Hair
- Loss
- Love
- Love Letters
- Love Triangles
- Lovers
- Luke Skywalker Tries
- MACUSA | Magical Congress of the United States of America
- Magic
- Magic User Tony Stark
- Magic-Users
- Magically Powerful Harry Potter
- Mahoutokoro (Harry Potter)
- Male Homosexuality
- Mand'alor Din Djarin
- Mangekyou Sharingan (Naruto)
- Mangos
- Manipulation
- Manipulative Albus Dumbledore
- Manipulative Gellert Grindelwald
- Marauders Era (Harry Potter)
- Marc Spector Needs A Hug
- Marriage
- Married Aizawa Shouta | Eraserhead/Yamada Hizashi | Present Mic
- Married Characters
- Married Couple
- Master of Death (Harry Potter)
- Master of Death Harry Potter
- Memories
- Memory Related
- Mental Health Issues
- Mentioned Darth Vader
- Mentioned Leia Organa
- Mentioned Sheev Palpatine | Darth Sidious
- Mentioned Shirakumo Oboro
- Mild Hurt/Comfort
- Mild Language
- Military
- Minor Character Death
- Minor Injuries
- Minor Original Character(s)
- Minor Pamela Isley/Harleen Quinzel
- Miscommunication
- Misguided Albus Dumbledore
- Mistakes
- Misunderstandings
- Misuse of Beholding Avatar Powers (The Magnus Archives)
- Moon Knight Meets the Avengers Team (Marvel)
- Moral Ambiguity
- Morality
- Morally Ambiguous Character
- Morally Grey Harry Potter
- Movie 2: Pirates of the Caribbean: Dead Man's Chest (2006)
- Movie: Avengers: Endgame (2019)
- Movie: Captain America: The Winter Soldier (2014)
- Movie: Spider-Man: Homecoming (2017)
- Movie: Spider-Man: No Way Home (2021)
- Mpreg | Male Pregnancy
- Multiple Doctors (Doctor Who)
- Multiple Harry Potters
- Multiple Personalities
- Multiple Selves
- Murder
- Murder Husbands
- Musical References
- Mystery
- Mythical Beings & Creatures
- Namikaze Minato Lives
- Nara Shikamaru-centric
- Near Death
- Near Death Experiences
- Necromancer Harry Potter
- Necromancy
- Negotiations
- Neurodivergent Jonathan "Jon" Sims | The Archivist
- Neurodiversity
- Night Terrors
- Nightmares
- Ninja
- Ninjutsu (Naruto)
- Ninneko | Ninja Cats
- No Canon-Typical Worms (The Magnus Archives)
- No Character Bashing
- No Ootsutsuki Kaguya
- No Red Wedding | Roslin Frey and Edmure Tully's Wedding Doesn't Happen
- No Smut
- No Zetsu (Naruto)
- Non-Consensual
- Non-Human Hatake Kakashi
- Non-Linear Narrative
- Nosy Batfamily (DCU)
- Not Actually Unrequited Love
- Not Beta Read
- Not Canon Compliant
- Not Canon Compliant - Harry Potter and the Half-Blood Prince
- Not Canon Compliant - Harry Potter and the Prisoner of Azkaban
- Not Canon Compliant with Movie: Avengers: Infinity War (2018)
- Not Canon Compliant With Movie: Spider-Man: No Way Home (2021)
- Not Civil War Team Captain America Friendly
- Not Epilogue Compliant
- Not Human
- Not Really Character Death
- Not Steve Rogers Friendly
- Not Wanda Maximoff Friendly
- Oblivious
- Oblivious Batfamily (DCU)
- Oblivious Harry Potter
- Oblivious Tony Stark
- Old Harry Potter
- Older Sibling Uchiha Itachi
- On Hiatus
- One-Sided Relationship
- Oral Sex
- Original Anbu Characters (Naruto)
- Original Character(s)
- Original Summons (Naruto)
- Other Additional Tags to Be Added
- Out of Character
- Outer Space
- Overpowered Harry Potter
- Overpowered Tony Stark
- Overprotective
- Overprotective Jason Todd
- Overprotective Tim Drake (DCU)
- Panic
- Panic Attacks
- Parent Leia Organa
- Parent Severus Snape
- Parent Tom Riddle | Voldemort
- Parent Tony Stark
- Parent Voldemort (Harry Potter)
- Parental Kamihara Shinya | Edgeshot
- Parental Orochimaru (Naruto)
- Parental Tony Stark
- Parenthood
- Parselmouths & Parseltongue (Harry Potter)
- Partially Canon Compliant
- Past Abuse
- Past Albus Dumbledore/Gellert Grindelwald
- Past Character Death
- Past Child Abuse
- Past Draco Malfoy/Harry Potter
- Past Harry Potter/Ginny Weasley
- Past Leia Organa/Han Solo
- Past Lives
- Past Relationship(s)
- Peter Parker Being a Little Shit
- Peter Parker is a Mess
- Peter Parker is Trapped Under a Building
- Peter Parker Needs a Hug
- Peter Parker-centric
- Phobias
- Pining
- Pizza
- Plot
- Plotty
- Podfic
- Podfic Length: 20-30 Minutes
- Podfic Length: 30-45 Minutes
- Podfic Length: 45-60 Minutes
- Podfic Length: Over 20 Hours
- Politics
- Poor Batfamily (DCU)
- Possessive Behavior
- Possessive Tom Riddle
- Possessive Tom Riddle | Voldemort
- Post-Canon
- Post-Detroit: Become Human (Video Game)
- Post-Game(s)
- Post-Movie: Avengers: Endgame (2019)
- Post-Movie: Captain America: The Winter Soldier (2014)
- Post-Movie: Spider-Man: No Way Home (2021)
- Post-Pacifist Best Ending (Detroit: Become Human)
- Post-Sirius Black in Azkaban
- Post-Traumatic Stress Disorder - PTSD
- Post-Warring States Period (Naruto)
- Posted Elsewhere
- POV Alternating
- POV Eleventh Doctor
- POV Harry
- POV Harry Potter
- POV Hatake Kakashi
- POV Kyuubi | Nine-tails | Kurama
- POV Male Character
- POV Multiple
- POV Outsider
- POV Sirius Black
- POV The Doctor (Doctor Who)
- POV Uchiha Sasuke
- Powerful Harry Potter
- Pre-Canon
- Pre-Moon Knight (TV 2022) Season 01
- Pre-Naruto Canon Era
- Pre-Relationship
- Pre-Slash
- Pre-The Unknowing (The Magnus Archives)
- Pregnancy
- Protective Aziraphale (Good Omens)
- Protective Batfamily (DCU)
- Protective Bruce Banner
- Protective Gojo Satoru
- Protective Haruno Sakura
- Protective Jason Todd
- Protective Jasper Hale
- Protective Kamihara Shinya | Edgeshot
- Protective Orochimaru (Naruto)
- Protective Roy Harper
- Protective Siblings
- Protective Tim Drake (DCU)
- Protective Uchiha Madara
- Protective Uchiha Obito
- Protective Uchiha Sasuke
- Protective Uzumaki Naruto
- Protective Weasley Family (Harry Potter)
- Protectiveness
- Psychology
- Psychopathology & Sociopathy
- Puns & Word Play
- Pureblood Culture (Harry Potter)
- Pureblood Politics (Harry Potter)
- Pureblood Society (Harry Potter)
- Purebloods (Harry Potter)
- Questioning
- Quirk-Created Children (My Hero Academia)
- Raising Teddy Lupin
- Rape/Non-con Elements
- Rare Pairings
- Rare Relationships
- Rating May Change
- Rebirth
- Red-Haired Uzumaki Naruto
- References to Drugs
- References to Illness
- Regulus Black Deserves Better
- Regulus Black Lives
- Reincarnated Hatake Kakashi
- Reincarnation
- Relationship Negotiation
- Relationship Reveal
- Relationship(s)
- Reluctant Mand'alor Din Djarin
- Resurrected Jason Todd
- Resurrection
- Reunions
- Reunited and It Feels so Good
- Rewrite
- Rimming
- Rituals
- Robb Stark is a Gift
- Romance
- Romantic Comedy
- Ruler of Mandalore | Mand'alor (Star Wars)
- Sad
- Sad Uchiha Sasuke
- Sane Tom Riddle
- Sane Tom Riddle | Voldemort
- Sane Voldemort (Harry Potter)
- Sassy
- Sassy Harry Potter
- Scars
- Season/Series 02
- Season/Series 03
- Season/Series 03 Spoilers
- Secret Identity
- Secret Relationship
- Secrets
- Seer Severus Snape
- Self-Harm
- Self-Indulgent
- Self-Insert
- Senju Tobirama is Not Amused
- Serial Killers
- Serious
- Severitus | Severus Snape is Harry Potter's Parent
- Sex
- Sexual Assault
- Sexual Content
- Sharingan (Naruto)
- Shimura Danzou Being an Asshole
- Shinobi
- Sibling Bonding
- Siblings
- Sirius Black Deserves Better
- Sirius Black Needs a Hug
- Slash
- Slow Build
- Slow Burn
- Slow Romance
- Slow to Update
- Slurs
- Slytherin
- Slytherin Harry Potter
- Slytherins Being Slytherins
- Smart Harry Potter
- Smitten Harry Potter
- Smoking
- Smut
- So Wrong It's Right
- Somewhat Good Tom Riddle | Voldemort
- Somewhat Good Voldemort (Harry Potter)
- Sorcerer Tony Stark
- Sorcerers
- Soulmates
- Space Mom Leia Organa
- Space Opera
- Space Pirates
- Spiders
- Spirits
- Spoilers
- Statement Fic (The Magnus Archives)
- Stephanie Brown Being a Little Shit
- Suffering
- Suffering Fushiguro Megumi
- Suicidal Thoughts
- Suicide
- Suicide Attempt
- Summons (Naruto)
- Supernatural Elements
- Swearing
- Switching
- Symbolism
- Tags Are Fun
- Tags May Change
- Tatooine Culture & Customs (Star Wars)
- Tatooine Slave Culture & Customs (Star Wars)
- Teacher Hatake Kakashi
- Teaching
- Team
- Team as Family
- Team Sassy Science (Hannibal)
- Teen Peter Parker
- Teenagers
- Temporary Character Death
- The Author Regrets Nothing
- The Beholding Fear Entity (The Magnus Archives)
- The Buried Fear Entity (The Magnus Archives)
- The Corruption Fear Entity (The Magnus Archives)
- The Dark Fear Entity (The Magnus Archives)
- The Desolation Fear Entity (The Magnus Archives)
- The End Fear Entity (The Magnus Archives)
- The Faceless Men (A Song of Ice and Fire)
- The Flesh Fear Entity (The Magnus Archives)
- The Hunt Fear Entity (The Magnus Archives)
- The Lonely Fear Entity (The Magnus Archives)
- The Noble and Most Ancient House of Black
- The Noble and Most Ancient House of Potter (Harry Potter)
- The Slaughter Fear Entity (The Magnus Archives)
- The Spiral Fear Entity (The Magnus Archives)
- The Stranger Fear Entity (The Magnus Archives)
- The Vast Fear Entity (The Magnus Archives)
- The Web Fear Entity (The Magnus Archives)
- Therapy
- There's a Tag for That
- Thor is Not Stupid (Marvel)
- Tim Drake is Not Robin (DCU)
- Time Travel
- Time Travel Fix-It
- Timeline What Timeline
- Tired Din Djarin
- Tony Stark Acting as Peter Parker's Parental Figure
- Tony Stark Has a Heart
- Tony Stark Has Issues
- Tony Stark Has PTSD
- Tony Stark is Harry Potter's Parent
- Tony Stark Is Not Helping
- Tony Stark Tries
- Top Tom Riddle
- Top Tom Riddle | Voldemort
- Top/Bottom Versatile Harry Potter
- Top/Bottom Versatile Tom Riddle
- Topping
- Torture
- Touch-Starved
- Touch-Starved Peter Parker
- Trauma
- Traumatized Will Graham
- Triwizard Tournament (Harry Potter)
- Trust
- U.A. Classmates Aizawa Shouta | Eraserhead & Iida Tensei | Ingenium & Yamada Hizashi | Present Mic
- Uchiha Itachi Has a Sibling
- Uchiha Izuna Lives
- Uchiha Madara Needs a Hug
- Uchiha Obito is Trying
- Uchiha Shisui Lives
- Under the Influence of Horcruxes
- Underage
- Underage Sex - Freeform
- Unhealthy Coping Mechanisms
- Unreliable Narrator
- Unrequited
- Unrequited Love
- Unspeakables (Harry Potter)
- Uzushiogakure | Hidden Eddy Village
- Valentine's Day
- Violence
- War
- Warring States Period (Naruto)
- What-If
- Whump
- Whumptober
- Whumptober 2021
- Will Graham Has Issues
- Withdrawal
- Wizarding Culture (Harry Potter)
- Wizarding Politics (Harry Potter)
- Wizarding Royalty (Harry Potter)
- Wizarding Traditions (Harry Potter)
- Wizarding World (Harry Potter)
- Wooing
- Work in Progress
- Workplace
- Worldbuilding
- Worms
- Wrong
- Yagami Light Has a Crush
- Yagami Light is Their Own Warning
- Yagami Light Misses L
- Yagami Siblings Dynamics (Death Note)
- Young
- Young Hatake Kakashi