Harry Potter & Sans (Undertale) FanFiction

The Death of a Monster

The Death of a Monster

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Undertale (Video Game)
Characters
Harry Potter, Frisk (Undertale), Sans (Undertale), Flowey (Undertale), Death (Harry Potter), Death & Harry Potter, Harry Potter & Sans (Undertale), Flowey (Undertale) & Harry Potter, Flowey & Sans (Undertale), Undertale Player
Tags
Magic Death Harry Potter is So Done Major character death - Freeform Master of Death Harry Potter Harry Potter's Name is Hadrian Overpowered Harry Potter Reader is not Frisk or Chara (Undertale) Undertale Genocide Route Sans (Undertale) Remembers Resets Tired Harry Potter Harry Potter is Not Okay
Master of Death Hadrian Morte checks up on Mt. Ebott because there is an irregular amount of death there.He finds everywhere empty and filled with dust, until he reaches a very specific corridor.
Where the Lost Become Found

Where the Lost Become Found

Gen
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling Undertale (Video Game)
Characters
Harry Potter, Tom Riddle | Voldemort, Chara (Undertale), Frisk (Undertale), Original Undertale Character(s), Sans (Undertale), Papyrus (Undertale), Toriel (Undertale), Flowey (Undertale), Harry Potter & Sans (Undertale), Frisk (Undertale) & Harry Potter, Harry Potter & Toriel (Undertale)
Tags
Family Fluff Past Child Abuse Tooth-Rotting Fluff Child Abandonment Protective Harry Potter Harry Potter is a Horcrux Harry Needs a Hug Harry Potter-centric Adopted Harry Potter Horcrux Tom Riddle and he gets one Toriel Adopts Harry
Harry is abandoned on Mt. Ebott by his aunt. Toriel left her husband after their two children died. Alone, they are broken and lost souls. Together, they are a family. (A Toriel raises Harry fanfic.)