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1. Sonic the Hedgehog: Sins of the Past by Darktaku421

   Fandoms: Sonic the Hedgehog - All Media Types  

   • Mature
   • Graphic Depictions Of Violence, Major Character Death
   • F/F, F/M, M/M, Multi
   • Work in Progress

   07 Oct 2026

   Tags

   • Graphic Depictions Of Violence
   • Major Character Death
   • Amy Rose/Shadow the Hedgehog
   • Knuckles the Echidna/Rouge the Bat
   • Rouge the Bat/Topaz (Sonic X)
   • Cream the Rabbit/Miles "Tails" Prower
   • Tangle the Lemur/Whisper the Wolf
   • Breezie the Hedgehog/Metal Sonic
   • Charmy Bee/Sage
   • Rouge the Bat/Shadow the Hedgehog
   • Sonic the Hedgehog
   • Amy Rose (Sonic the Hedgehog)
   • Miles "Tails" Prower
   • Knuckles the Echidna
   • Shadow the Hedgehog
   • Dr. Eggman | Dr. Robotnik
   • Agent Stone (Sonic the Hedgehog)
   • Shard the Metal Sonic
   • Breezie the Hedgehog
   • Sage (Sonic the Hedgehog)
   • Vector the Crocodile
   • Espio the Chameleon
   • Charmy Bee
   • Abraham Tower | G.U.N. Commander
   • Topaz (Sonic X)
   • Captain Westwood (Sonic the Hedgehog)
   • Biolizard (Sonic the Hedgehog)
   • Maria Robotnik
   • Gerald Robotnik
   • Mr. Smith | Mr. Schmitz (Sonic the Hedgehog)
   • Tom Wachowski
   • Chris Thorndyke
   • Rouge the Bat
   • Commander Walters (Sonic the Hedgehog)
   • United Federation President (Sonic the Hedgehog)
   • Sticks the Badger
   • Lanolin the Sheep (Sonic the Hedgehog)
   • Cream the Rabbit
   • Cheese (Sonic the Hedgehog)
   • Emerl (Sonic the Hedgehog)
   • Super Sonic (Sonic the Hedgehog)
   • Super Shadow (Sonic the Hedgehog)
   • Minor Amy Rose/Shadow the Hedgehog
   • Trauma
   • Alternate Universe
   • Action/Adventure
   • Government Conspiracy
   • World Travel
   • Shadow the Hedgehog Needs a Hug
   • Shadow the Hedgehog is Bad at Feelings
   • Rouge the Bat and Shadow the Hedgehog are Best Friends
   • Shadow the Hedgehog Has Black Arms Biology
   • Angst
   • Shadow the Hedgehog Angst
   • Shadow the Hedgehog and Sonic the Hedgehog are Rivals
   • Dead Maria Robotnik
   • Guns
   • Amy Rose and Sonic the Hedgehog are Best Friends
   • Worldbuilding
   • End of the World
   • Eclipse Cannon (Sonic the Hedgehog)
   • Space Colony ARK (Sonic the Hedgehog)
   • Fan Soundtracks
   • Song Lyrics
   • Linkin Park References
   • Shadow the Hedgehog Has PTSD - Post-Traumatic Stress Disorder
   • Angst and Tragedy
   • Suicidal Thoughts
   • Minor Rouge the Bat/Shadow the Hedgehog
   • One Night Stands
   • Hurt/Comfort

   Summary

   Fifty years of Federation secrecy come crumbling down the arrival of a mysterious black Hedgehog. He is seeking the Chaos Emeralds with Doctor Eggman. After Sonic is falsely arrested, he and his friends are brought in to find out why and take this new Hedgehog down, unaware of how much the world is about to change...if it survives

   Series

   • Part 5 of The Mobius Sagas

   Language:

   English

   Words:

   15,515

   Chapters:

   6/?

   Comments:

   27

   Kudos:

   21

   Bookmarks:

   3

   Hits:

   381