Tags
These are some of the most popular tags used in the collection.
- 1940s
- 20th Century
- 5 Things
- 5+1 Things
- Abduction
- Ableism
- Abuse
- Abused Harry Potter
- Abusive Dursley Family (Harry Potter)
- Abusive Walburga Black
- Accidental Baby Acquisition
- Accidental Child Acquisition
- Action/Adventure
- Adopted Harry Potter
- Adoption
- Adventure
- After Camlann Merlin Big Bang 2022 (Merlin)
- Afterlife
- Age Regression/De-Aging
- Aged-Up Character(s)
- Albus Dumbledore Bashing
- Alcohol
- Alcohol Abuse/Alcoholism
- Alpha Arthur Pendragon (Merlin)
- Alpha Character
- Alpha/Beta/Omega Dynamics
- Altered Mental States
- Altered States
- Alternate Hogwarts House Sorting
- Alternate Season/Series
- Alternate Season/Series 01
- Alternate Universe
- Alternate Universe - Afterlife
- Alternate Universe - Bands
- Alternate Universe - Beauty and the Beast Fusion
- Alternate Universe - Boarding School
- Alternate Universe - Canon
- Alternate Universe - Canon Divergence
- Alternate Universe - Crack
- Alternate Universe - Everyone Lives/Nobody Dies
- Alternate Universe - Fairy Tale
- Alternate Universe - Gods & Goddesses
- Alternate Universe - Modern Setting
- Alternate Universe - Modern with Magic
- Alternate Universe - Muggle
- Alternate Universe - Music
- Alternate Universe - Mythology
- Alternate Universe - Reincarnation
- Alternate Universe - Rock Band
- Alternate Universe - School
- Alternate Universe - Soulmates
- Alternate Universe - Time Travel
- Alternate Universe - Voldemort Wins (Harry Potter)
- Alternative Perspective
- Ambiguity
- Anal
- Anal Fingering
- Anal Play
- Anal Sex
- Anger
- Angry Harry
- Angry Harry Potter
- Angst
- Angst and Feels
- Angst and Humor
- Angst and Hurt/Comfort
- Angst with a Happy Ending
- Animagus
- Animagus Harry Potter
- Animal Death
- Animal Sacrifice
- Animal Transformation
- Animate Object
- Anxiety
- AO3 Tags - Freeform
- Aphrodisiacs
- Aromantic
- Aromantic Asexual Severus Snape
- Aromantic Mary Macdonald (Harry Potter)
- Aromantic Severus Snape
- Art
- Arthur Pendragon Finds Out About Merlin's Magic (Merlin)
- Arthur Pendragon Knows About Merlin's Magic (Merlin)
- Arthur Pendragon Knows About Morgana's Magic (Merlin)
- Artist Harry Potter
- Artist Harry Styles
- Artists
- Asexual Character
- Asexual Merlin (Merlin)
- Asexual Relationship
- Asexual Severus Snape
- Asexual Tom Riddle
- Asexuality
- Asexuality Spectrum
- Asian Character(s)
- Asphyxiation
- Assassins & Hitmen
- Assault
- Attempt at Humor
- Attention Deficit Hyperactivity Disorder
- Augusta Longbottom Bashing
- Auror Harry Potter
- Aurors
- Autism
- Autism Spectrum
- Autistic Characters
- Autistic Luna Lovegood
- Babies
- Background Relationships
- Bad Parent Lucius Malfoy
- Bad Parent Uther Pendragon (Merlin)
- Bad Parent Walburga Black
- Bad Parenting
- Bad Things Happen Bingo
- Badass
- Baked Goods
- BAMF Harry Potter
- BAMF Hermione Granger
- BAMF Lily Evans Potter
- BAMF Luna Lovegood
- BAMF Merlin (Merlin)
- BAMF Neville Longbottom
- BAMF Regulus Black
- BAMF Ron Weasley
- BAMF Susan Bones
- BAMFs
- Band Fic
- Bands
- Banter
- Barty Crouch Jr. Lives
- Based on a Tumblr Post
- BDSM
- Beating
- Beauty and the Beast Elements
- Beverages
- Big Bang Challenge
- Bipolar Disorder
- Bipolar Remus Lupin
- Birds
- Birthday
- Birthday Cake
- Bisexual Character
- Bisexual Harry Potter
- Bisexual Remus Lupin
- Bisexuality
- Black Character(s)
- Black Family Drama (Harry Potter)
- Black Family Feels (Harry Potter)
- Black Family-centric (Harry Potter)
- Black Hermione Granger
- Blades
- Blasphemy
- Blood
- Blood Adoption (Harry Potter)
- Blood and Violence
- Blood Drinking
- Blow Jobs
- Boarding School
- Body Horror
- Body Modification
- Bondage
- Book 1
- Book 1: Harry Potter and the Philosopher's Stone
- Book 2
- Book 2: Harry Potter and the Chamber of Secrets
- Book 3
- Book 3: Harry Potter and the Prisoner of Azkaban
- Book 4
- Book 4: Harry Potter and the Goblet of Fire
- Book 5
- Book 5: Harry Potter and the Order of the Phoenix
- Book 6
- Book 6: Harry Potter and the Half-Blood Prince
- Book 7: Harry Potter and the Deathly Hallows
- Bottom Arthur
- Bottom Harry
- Bottom Merlin (Merlin)
- Bottoming
- Boy-Who-Lived (Harry Potter)
- British
- British English
- Britpicking
- Bullying
- Burns
- Cake
- Canes
- Caning
- Canon Compliant
- Canon Era
- Canon Related
- Canon Rewrite
- Canon Universe
- Canon-Typical Violence
- Canonical Character Death
- Canonical Child Abuse
- Changes to Gender or Sex
- Character Bashing
- Character Death
- Character Death Fix
- Character Development
- Character Study
- Character(s) of Color
- Chastity Device
- Cheating
- Chickens
- Child Abuse
- Child Harry
- Child Harry Potter
- Child Neglect
- Child Soldiers
- Childhood Friends
- Childhood Sexual Abuse
- Childhood Trauma
- Children
- Chronic Pain
- Cinnamon Roll Harry Potter
- Codependency
- Coercion
- Cold
- Cold Weather
- Comedy
- Coming of Age
- Communication
- Communication Failure
- Community: aftercamlann (Merlin)
- Competency
- Competent Harry Potter
- Complete
- Conflict
- Consensual
- Consensual Sex
- Consensual Underage Sex
- Consent
- Consent Issues
- Coping
- Corruption
- Court Sorcerer Merlin (Merlin)
- Courtroom Drama
- Crack
- Crack and Angst
- Crack Treated Seriously
- Crisis of Faith
- Cross-Post
- Cross-Posted on FanFiction.Net
- Cults
- Culture
- Cursed Arthur Pendragon (Merlin)
- Curses
- Cute
- Cute Harry
- Cute Harry Potter
- Dark
- Dark Arthur Pendragon (Merlin)
- Dark Character
- Dark Comedy
- Dark Fantasy
- Dark Harry Potter
- Dark Lord Harry Potter
- Dark Magic
- Dark Magic Rituals (Harry Potter)
- Dark Neville Longbottom
- Dark Past
- Dead People
- Deaf
- Deaf Character
- Deaf Harry
- Deaf Harry Potter
- Death
- Death Eater Neville Longbottom
- Death Eater Theodore Nott
- Death Eaters
- Deities
- Dementors (Harry Potter)
- Depression
- Dessert & Sweets
- Dialogue
- Dialogue Heavy
- Dimension Travel
- Disability
- Disabled Character
- Discovery
- Disordered Eating
- Dissociation
- Divination
- Do-Over
- Dogs
- Dom/sub
- Dom/sub Undertones
- Domestic
- Domestic Boyfriends
- Domestic Fluff
- Draco Malfoy & Harry Potter Friendship
- Dragonlord Merlin (Merlin)
- Dragonlords (Merlin)
- Dragons
- Drama
- Drawing
- Drinking
- Drug Use
- Drugs
- Druids
- Dubious Consent
- Dubious Morality
- Duelling
- Duelling Club (Harry Potter)
- Durmstrang
- Dysphoria
- Eating Disorders
- Education
- Emotional Hurt/Comfort
- Emotional Roller Coaster
- Emotional/Psychological Abuse
- Emotions
- Endgame
- Endgame Merlin/Arthur Pendragon (Merlin)
- Enemies
- Enemies to Friends
- Enemies to Friends to Lovers
- Enemies to Lovers
- Enemy to Caretaker
- Engagement
- Enthusiastic Consent
- Episode: s02e09
- Episode: s02e09 Lady of the Lake (Merlin)
- Episode: s02e13
- Episode: s02e13 The Last Dragonlord (Merlin)
- Episode: s05e05
- Episode: s05e05 The Disir (Merlin)
- Espionage
- Established Relationship
- Eventual Draco Malfoy/Harry Potter
- Eventual Happy Ending
- Eventual Relationships
- Eventual Romance
- Eventual Smut
- Everybody Lives
- Everyone Is Alive
- Everyone Loves Merlin (Merlin)
- Evil
- Evil Voldemort (Harry Potter)
- Excalibur | King Arthur's Sword (Arthurian Myth)
- Exhaustion
- Exhibitionism
- Exorcisms
- Explicit Language
- Explicit Sexual Content
- Extremely Dubious Consent
- Fairy Tale Elements
- Faked Suicide
- Familial Abuse
- Family
- Family Fluff
- Family History
- Family Reunions
- Family Secrets
- FanFiction.Net
- Fantasizing
- Fantasy
- Fate & Destiny
- Father Figures
- Father-Son Relationship
- Fatherhood
- Feeding
- Feelings
- Feels
- Female Characters
- Female Harry Potter
- Female Homosexuality
- Female Relationships
- Fights
- Fingerfucking
- First Time
- First Time Bottoming
- First Wizarding War with Voldemort (Harry Potter)
- Firsts
- Fix-It
- Fix-It of Sorts
- Flashbacks
- Fluff
- Fluff and Angst
- Fluff and Crack
- Fluff and Humor
- Food
- Food Issues
- Food Porn
- Found Family
- Friends to Lovers
- Friendship
- Friendship/Love
- Frostbite
- Future
- Future Fic
- Gaius is So Done (Merlin)
- Gallows Humor
- Gangs
- Gaslighting
- Gay
- Gay Character
- Gay Sirius Black
- Gender Dysphoria
- Gender Themes
- Genderqueer
- Genderqueer Character
- Getting to Know Each Other
- Getting Together
- Ghost Tom Riddle
- Ghosts
- Gilderoy Lockhart Being an Idiot
- Girl-Who-Lived (Harry Potter)
- Goblins
- God Merlin (Merlin)
- Gods
- Golden Trio | Hermione Granger & Harry Potter & Ron Weasley Friendship
- Good Albus Dumbledore
- Good Draco Malfoy
- Good Dudley Dursley
- Good Friend Daphne Greengrass
- Good Friend Draco Malfoy
- Good Friend Luna Lovegood
- Good Friend Neville Longbottom
- Good Friend Peter Pettigrew
- Good Friend Ron Weasley
- Good Gellert Grindelwald
- Good Mordred (Merlin)
- Good Morgana (Merlin)
- Good Parent Arthur Weasley
- Good Parent Severus Snape
- Good Parenting
- Good Peter Pettigrew
- Good Severus Snape
- Good Slytherins
- Good Weasley Family (Harry Potter)
- Gore
- Graphic Description
- Grief/Mourning
- Grooming
- Growing Up
- Growth
- Gryffindor & Slytherin Inter-House Friendships
- Gryffindor Harry Potter
- Gryffindor Ron Weasley
- Gryffindor/Slytherin Inter-House Relationships
- Guardian Severus Snape
- Halloween
- Hallucinations
- Hand Feeding
- Happy Ending
- Harm to Animals
- Harm to Children
- Harry Needs a Hug
- Harry Potter & Tom Riddle Attend Hogwarts Together
- Harry Potter Epilogue What Epilogue | EWE
- Harry Potter Gets a Hug
- Harry Potter Gets the Love He Deserves
- Harry Potter Has a Pet Snake
- Harry Potter Has a Sibling
- Harry Potter Has a Twin
- Harry Potter Has ADHD
- Harry Potter Has Anger Issues
- Harry Potter Has Issues
- Harry Potter Has Mental Health Issues
- Harry Potter Has PTSD
- 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 So Done
- Harry Potter is the Heir to the House of Black
- Harry Potter Leaves the Dursley Family
- Harry Potter Needs a Hug
- Harry Styles is the Mad Hatter (Alice in Wonderland)
- Having Faith
- Healthy Relationships
- Heavy Angst
- Heir of Hogwarts Founders
- Heir of Slytherin
- Heir of Slytherin Harry Potter
- Herbology
- Hermione Granger Bashing
- Historical
- Hog's Head Inn (Harry Potter)
- Hogwarts
- Hogwarts Chamber of Secrets
- Hogwarts Eighth Year
- Hogwarts Era
- Hogwarts First Year
- Hogwarts Fourth Year
- Hogwarts Houses
- Hogwarts Inter-House Friendships
- Hogwarts Inter-House Relationships
- Hogwarts Second Year
- Hogwarts Third Year
- Holidays
- Homeless Harry Potter
- Homelessness
- Homosexuality
- Horcrux Creation
- Horcrux Hunting
- Horcruxes
- Horror
- House Elves
- How Do I Tag
- Hufflepuff Harry Potter
- Hugs
- Humor
- Hurt
- Hurt Arthur Pendragon (Merlin)
- Hurt Harry
- Hurt Harry Potter
- Hurt Lancelot (Merlin)
- Hurt Merlin (Merlin)
- Hurt No Comfort
- Hurt/Comfort
- I Can't Believe I Wrote This
- I Don't Even Know
- I Made Myself Cry
- I Tried
- I'm Bad At Tagging
- Identity
- Identity Crisis
- Identity Issues
- Idiots in Love
- Illnesses
- Immortal Merlin (Merlin)
- Immortality
- Impact Play
- Implied Childhood Sexual Abuse
- Implied Sexual Content
- Implied/Referenced Abuse
- Implied/Referenced Child Abuse
- Implied/Referenced Drug Use
- Implied/Referenced Rape/Non-con
- Implied/Referenced Self-Harm
- Implied/Referenced Sexual Assault
- Implied/Referenced Suicide
- Implied/Referenced Torture
- Imprisonment
- Indian Character
- Indian Harry Potter
- Inferi (Harry Potter)
- Infidelity
- Injury
- Innocence
- Innocent Harry
- Innocent Harry Potter
- Insane Harry Potter
- Insanity
- Insecure Harry Potter
- Insecurity
- Inspired by Fanfiction
- Inspired by Short Story: The Green Ribbon (In a Dark Dark Room)
- Inspired by Tumblr
- Inspired by...
- Internal Conflict
- Issues
- It Gets Worse Before It Gets Better
- James Potter Bashing
- Jealous Arthur Pendragon (Merlin)
- Jealous Merlin (Merlin)
- Jealousy
- Kid Fic
- Kidnapping
- Killing
- Kings & Queens
- Kinky
- Kissing
- Kneeling
- Knives
- Lancelot Lives (Merlin)
- Language
- Legal Drama
- Legilimency (Harry Potter)
- Lesbian Character
- Lesbian Marlene McKinnon
- LGBTQ Character
- LGBTQ Female Character
- LGBTQ Themes
- Light Angst
- Light Dom/sub
- Light-Hearted
- Lily Evans Potter & Severus Snape Friendship
- Lily Evans Potter Lives
- Loneliness
- Lonely Harry
- Lonely Harry Potter
- Loss
- Love
- Magic
- Magic Made Them Do It
- Magic Revealed
- Magical Theory (Harry Potter)
- Magically Powerful Harry Potter
- Manipulation
- Manipulative Albus Dumbledore
- Manipulative Harry Potter
- Manipulative Tom Riddle
- Marauders
- Marauders Era (Harry Potter)
- Marauders Friendship (Harry Potter)
- Marriage
- Marriage Proposal
- Married Characters
- Married Couple
- Married Gwen/Arthur Pendragon (Merlin)
- Master of Death (Harry Potter)
- Master of Death Harry Potter
- Masturbation
- Medical
- Medieval Medicine
- Memories
- Memory Related
- Mental Coercion
- Mental Health Issues
- Mentor Barty Crouch Jr.
- Mentor Severus Snape
- Mentor Tom Riddle
- Mentors
- Merlin at the Tavern (Merlin)
- Merlin Being an Idiot (Merlin)
- Merlin is a Little Shit (Merlin)
- Merlin is Emrys (Merlin)
- Merlin is So Done (Merlin)
- Merlin Needs a Hug (Merlin)
- Merlin Revealed as Emrys (Merlin)
- Merlin Snaps (Merlin)
- Merlin Whump (Merlin)
- Merlin's Magic Revealed (Merlin)
- Metamorphmagus
- Metamorphmagus Harry Potter
- Middle Ages
- Mild Blood
- Mild Gore
- Mild Sexual Content
- Mind Control
- Minor Astoria Greengrass/Draco Malfoy
- Minor Character Death
- Minor Gwen/Arthur Pendragon (Merlin)
- Minor Original Character(s)
- Miscommunication
- Misguided Albus Dumbledore
- Misunderstandings
- Modern Era
- Molestation
- Moral Ambiguity
- Morality
- Morally Ambiguous Character
- Morally Grey Albus Dumbledore
- Morally Grey Harry Potter
- Morgana Knows about Merlin's Magic (Merlin)
- Morgana's Magic Revealed (Merlin)
- Morning Sickness
- Moving
- Mpreg | Male Pregnancy
- Muggle Life
- Muggles
- Murder
- Music
- My First Smut
- My First...
- Mystery
- Mythical Beings & Creatures
- Mythology
- N Things
- NaNoWriMo
- Necromancer Harry Potter
- Necromancy
- Neglect
- Negotiations
- Neurodiversity
- Neville Longbottom & Harry Potter Friendship
- No Character Bashing
- No Gaston (Disney)
- No Hermione Granger Bashing
- No Horcruxes
- No Ron Weasley Bashing
- Non-Consensual
- Non-Consensual Body Modification
- Non-Graphic Rape/Non-Con
- Non-Linear Narrative
- Non-Sexual
- Non-Sexual Bondage
- Not Beta Read
- Not Britpicked
- Not Canon Compliant
- Not Canon Compliant - Harry Potter and the Deathly Hallows
- Not Canon Compliant - Harry Potter and the Goblet of Fire
- Not Canon Compliant - Harry Potter and the Half-Blood Prince
- Not Canon Compliant - Harry Potter and the Order of the Phoenix
- Not Canon Compliant - Harry Potter and the Prisoner of Azkaban
- Not Epilogue Compliant
- Not Really Character Death
- Not Serious
- Oaths & Vows
- Oblivious
- Oblivious Arthur Pendragon (Merlin)
- Oblivious Harry Potter
- Oblivious Merlin (Merlin)
- Obsessive Behavior
- Obsessive Tom Riddle
- Occlumency (Harry Potter)
- Old Gods
- Older Characters
- Older Harry Styles
- Omega Character
- Omega Merlin (Merlin)
- On Hiatus
- One Shot
- Oops
- Oral Sex
- Order of the Phoenix (Harry Potter)
- Orgasm
- Orgasm Control
- Original Character Death(s)
- Original Character(s)
- Original Wizarding Schools (Harry Potter)
- Orphanage
- Orphans
- Other Additional Tags to Be Added
- Other Ships Not Mentioned in Tags
- Out of Character
- Out of Character Severus Snape
- Outdoor Sex
- Overpowered Harry Potter
- Pagan Festivals
- Pagan Gods
- Paganism
- Pain
- Panic
- Panic Attacks
- Paranormal
- Parent Gaius (Merlin)
- Parent Remus Lupin
- Parent Severus Snape
- Parent Tom Riddle
- Parent Voldemort (Harry Potter)
- Parent-Child Relationship
- Parenthood
- Parselmouths & Parseltongue (Harry Potter)
- Past
- Past Abuse
- Past Child Abuse
- Past Draco Malfoy/Harry Potter
- Past Draco Malfoy/Pansy Parkinson
- Past Rape/Non-con
- Past Relationship(s)
- Past Sexual Abuse
- Past Torture
- Past Violence
- Patricide
- Pedophilia
- Person of Color Harry Potter
- Person of Color Hermione Granger
- Pet Owner Harry Potter
- Pets
- Physical Abuse
- Pining
- Pining Arthur Pendragon (Merlin)
- Pining Merlin (Merlin)
- Platonic Relationships
- Platonic Soulmates
- Please Kill Me
- Plot
- Politician Tom Riddle
- Politics
- Polyamory
- Polyamory Negotiations
- Porn
- Porn with Feelings
- Porn With Plot
- Possessive Behavior
- Possessive Tom Riddle
- Possessive Voldemort (Harry Potter)
- Post-Battle of Camlann (Merlin)
- Post-Canon
- Post-Canon Fix-It
- Post-Magic Reveal
- Post-Season/Series
- Post-Season/Series 01
- Post-Season/Series 05
- Post-Season/Series 05 Finale
- Post-Traumatic Stress Disorder - PTSD
- Post-War
- Posted Elsewhere
- Potions
- Potions and Snitches' Winter Fic Fest 2021
- POV Alternating
- POV Barty Crouch Jr.
- POV Draco Malfoy
- POV Harry
- POV Harry Potter
- POV Lily Evans Potter
- POV Luna Lovegood
- POV Male Character
- POV Merlin (Merlin)
- POV Multiple
- POV Neville Longbottom
- POV Original Character
- POV Pansy Parkinson
- POV Regulus Black
- POV Remus Lupin
- POV Severus Snape
- POV Tom Riddle
- Poverty
- Power Dynamics
- Power Imbalance
- Powerful Harry Potter
- Powerful Luna Lovegood
- Powerful Merlin (Merlin)
- Pre-Hogwarts
- Pre-Marauders Era (Harry Potter)
- Pregnancy
- Pregnant Merlin (Merlin)
- Prophecy
- Protective Arthur Pendragon (Merlin)
- Protective Draco Malfoy
- Protective Gaius (Merlin)
- Protective Knights (Merlin)
- Protective Lancelot (Merlin)
- Protective Merlin
- Protective Merlin (Merlin)
- Protective Morgana (Merlin)
- Protective Severus Snape
- Protective Sirius Black
- Protectiveness
- Pureblood Culture (Harry Potter)
- Pureblood Politics (Harry Potter)
- Pureblood Society (Harry Potter)
- Purebloods (Harry Potter)
- Queen Merlin (Merlin)
- Quests
- Racism
- Raising Harry Potter
- Rants
- Rape
- Rape/Non-con Elements
- Ravenclaw Hermione Granger
- Realization
- Rebirth
- Reconciliation
- Recovery
- Recreational Drug Use
- Redemption
- References to Drugs
- Reflection
- Regret
- Regulus Black Lives
- Regulus Black Needs a Hug
- Regulus Black Raises Harry Potter
- Regulus Black Raises Luna Lovegood
- Regulus Black-centric
- Reincarnated Harry Potter
- Reincarnation
- Relationship(s)
- Religion
- Religious Cults
- Remus Lupin Needs a Hug
- Remus Lupin Raises Harry Potter
- Repressed Memories
- Repression
- Requited Love
- Rescue
- Reunions
- Reveal
- Rewrite
- Rituals
- Romance
- Romantic Soulmates
- Ron Weasley Bashing
- Ron Weasley-centric
- Royal Merlin (Merlin)
- Royalty
- Ruthless Hermione Granger
- Sacrifice
- Sad
- Sad Harry
- Sad Harry Potter
- Sane Tom Riddle
- Sane Voldemort (Harry Potter)
- Sassy
- Sassy Harry Potter
- Sassy Severus Snape
- Scars
- Scheming
- School
- Science Fiction & Fantasy
- Season/Series 01
- Season/Series 02
- Secrets
- Seer Luna Lovegood
- Self-Esteem
- Self-Harm
- Self-Harming Sirius Black
- Self-Indulgent
- Self-Insert
- Self-Reflection
- Sensation Play
- Sensory Deprivation
- Serious
- Severitus | Severus Snape is Harry Potter's Parent
- Severus Snape Adopts Harry Potter
- Severus Snape Being an Asshole
- Severus Snape Has a Heart
- Severus Snape is Bad at Feelings
- Severus Snape is Lord Prince
- Severus Snape is So Done
- Sex
- Sex Magic
- Sex Toys
- Sexual Abuse
- Sexual Assault
- Sexual Content
- Sexual Fantasy
- Sexual Slavery
- Shapeshifting
- Siblings
- Siblings Morgana & Arthur Pendragon (Merlin)
- Sick Character
- Sick Harry
- Sick Harry Potter
- Single Parent Remus Lupin
- Single Parents
- Sirius Black & Severus Snape Friendship
- Sirius Black and Remus Lupin Raise Harry Potter
- Sirius Black Free from Azkaban
- Sirius Black Needs a Hug
- Sirius Black Raises Harry Potter
- Size Difference
- Slavery
- Slice of Life
- Slow Build
- Slow Burn
- Slytherin
- Slytherin Ginny Weasley
- Slytherin Harry Potter
- Slytherin Politics
- Slytherin Ron Weasley
- Slytherins Being Slytherins
- Smart Arthur Pendragon (Merlin)
- Smart Harry Potter
- Smart Merlin (Merlin)
- Smart Ron Weasley
- Smitten Tom Riddle
- Smut
- Snark
- Snarky Harry Potter
- Sneakiness
- Sneaky Harry Potter
- Something Made Them Do It
- Somewhat Good Voldemort (Harry Potter)
- Sons
- Soulmate-Identifying Marks
- Soulmates
- Soup
- Spelling & Grammar
- Spells & Enchantments
- Spies & Secret Agents
- Spy Merlin (Merlin)
- Stream of Consciousness
- Strength
- Strong Harry Potter
- Sub Arthur Pendragon (Merlin)
- Submissive Character
- Substance Abuse
- Suicidal Sirius Black
- Suicidal Thoughts
- Suicide
- Suicide Attempt
- Supernatural Elements
- Suspicions
- Sweet
- Tags Are Hard
- Tags May Change
- Talking
- Tall Remus Lupin
- Tea
- Tearjerker
- Teenage Tom Riddle
- Teenagers
- Temporary Character Death
- The Author Regrets Everything
- The Author Regrets Nothing
- The Cupboard Under The Stairs (Harry Potter)
- The Dark Arts (Harry Potter)
- The Deathly Hallows
- The Golden Trio Era (Harry Potter)
- The Noble and Most Ancient House of Black
- The Old Religion (Merlin)
- Theodore Nott Appreciation
- Thestrals (Harry Potter)
- Threesome
- Threesome - F/M/M
- Time Travel
- Time Travel Fix-It
- Time Travelling Harry Potter
- Timey-Wimey
- Tom is a Sweetheart
- Tom Riddle Has Feelings
- Tom Riddle is a Sweetheart
- Tom Riddle is Not Voldemort
- Tom Riddle Raises Harry Potter
- Tom Riddle Redemption
- Tom Riddle's Diary
- Tooth-Rotting Fluff
- Top Arthur
- Top Arthur Pendragon (Merlin)
- Top Arthur Pendragon/Bottom Merlin (Merlin)
- Top Tom
- Top Tom Riddle
- Topping
- Torture
- Touch-Starved
- Tragedy
- Trans
- Trans Blaise Zabini
- Trans Character
- Trauma
- Triwizard Tournament (Harry Potter)
- Tropes
- True Love
- True Love's Kiss
- Trust
- Trust Issues
- Truth Serum
- Tumblr
- Twins
- Under the Influence of Horcruxes
- Underage
- Underage Drinking
- Underage Rape/Non-con
- Underage Sex - Freeform
- Underage Substance Use
- Unhealthy Coping Mechanisms
- Unhealthy Relationships
- Unreliable Narrator
- Uther Pendragon Finds Out About Merlin's Magic (Merlin)
- Vampires
- Vernon Dursley Being an Asshole
- Violence
- Voldemort is Harry Potter's Parent
- Voyeurism
- Wandless Magic (Harry Potter)
- War
- Wards (Harry Potter)
- Warning: Tom Riddle
- Weapons
- Weasley Family Bashing (Harry Potter)
- Weasley Family-centric (Harry Potter)
- Weather
- Website: Potions and Snitches
- Weddings
- Were-Creatures
- Werewolf Draco Malfoy
- Werewolf Ron Weasley
- Werewolves
- Whump
- Wizarding Culture (Harry Potter)
- Wizarding History (Harry Potter)
- Wizarding Politics (Harry Potter)
- Wizarding Traditions (Harry Potter)
- Wizarding Wars (Harry Potter)
- Wizarding World (Harry Potter)
- Women Being Awesome
- Wordcount: 30.000-50.000
- Wordcount: 5.000-10.000
- Wordcount: Over 1.000
- Wordcount: Over 10.000
- Work In Progress
- Work Up For Adoption
- Worldbuilding
- Worried Arthur Pendragon (Merlin)
- Worry
- Wrong Boy-Who-Lived (Harry Potter)
- Young
- Young Harry
- Zombie Regulus Black
- Zombies
- 中文翻译 | Translation in Chinese