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• An octopus bigger than you by Cruiserweight99

  Fandoms: Undertale (Video Game)  

  • General Audiences
  • Creator Chose Not To Use Archive Warnings
  • F/M, Multi
  • Work in Progress

  11 Nov 2025

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Dusttale Sans(Undertale)/Reader
  • Horror Sans (undertale)/Reader
  • Killertale Sans(Undertale)/reader
  • Nightmare sans/reader
  • Sans (Undertale)/Reader
  • Dust (Dusttale)
  • Horror (Horrortale)
  • Killer (Killertale)
  • Nightmare (dreametale)
  • Reader
  • bad at tags
  • Fluff
  • dust is a bull shark
  • horror is a whale shark
  • killer is a great white shark
  • nightmare is a octopus
  • Reader is a Leviathan
  • reader is powerfull
  • Bad Sanses | Nightmare's Gang (Undertale)
  • Reader is a mermaid
  • no beta we die like men
  • Alternate Universe - Horrortale (Undertale)
  • Alternate Universe - Dreamtale (Undertale)
  • Alternate Universe - Dusttale (Undertale)
  • Undertale Alternate Universe - killertale
  • Alternate Universe - Leviathantale (Undertale)

  Summary

  You: a leviathan octopus
  Nightmare: octopus
  Dust: bull shark
  Horror: whale shark
  killer: great white shark

  you lived for so long, you have seen a lot, you have experienced so much, that, one day you fell asleep, and days turnd to weeks, and those turned to months and then years and decades and millennial, you don't know how long you slepped but some thing woke you up today.

  Language:

  English

  Words:

  3,916

  Chapters:

  1/?

  Comments:

  7

  Kudos:

  90

  Bookmarks:

  18

  Hits:

  621