What the heck is Darkspine Sonic?

I had a random thought about Darkspine Sonic and I wanted to dig a little deeper. Strangely enough, information on how this form was created is limited. No

What Form You Would like to see come back : r/SonicTheHedgehog

Darkspine Sonic is NOT as strong as Super Sonic. Dark Sonic uses negative energy which is more powerful than positive. Therefore, Dark Sonic is stronger than Super and Darkspine Sonic. Why do

Darkspine Sonic Photo on myCast - Fan Casting Your Favorite Stories

ArtStation - Darkspine Sonic

VaeKibouIny — Darkspine Sonic (from Sonic and the secret rings!)

Darkspine Sonic, Ultimate Pop Culture Wiki

Darkspine Sonic Event Now Running in Sonic Forces Mobile - Games - Sonic Stadium

Darkspine Sonic by ReroAn -- Fur Affinity [dot] net

Who would win, Hyper Sonic or Hyper Shadow? - Quora

Darkspine Sonic [Super Smash Bros. Brawl] [Mods]

The Unofficial Evolution of Darkspine Sonic in Sonic Games