Sonic the Hedgehog: Redemption and Revenge is a fanfiction created by Vorahk 295. It is on both fanfiction.net and DeviantArt. While trying to upgrade Mecha Sally again, Eggman has ended up placing her Spark as an alternate power source for the Power Ring Matrix since the Rings wore out quickly. By doing so, it got her free will back.
At the same time, Miles and Scourge fought over on who will conquer Mobius.
Tropes included:
- Does Not Know Her Own Strength: Mecha Sally, in regards to her hug with Sonic.
- Evil Cannot Comprehend Good: Miles not understanding why Tails hates him for his treatment of Fiona.
- Heel–Face Turn: Mecha Sally and Fiona.
- Lampshade Hanging/Take That!: Fiona and Nicole's mocking of Sally being the only person on the Death Egg that was affected by the beam.
- Nice Job Fixing It, Villain: By telling Eggman to place the original Spark on Mecha Sally, Lien-Da ended up getting her free will back.
- What Have I Become?: Mecha Sally say this after having killed Eggman.