Encyclopedia Sonnica — Sonic > Darkspine transformation.

i'm ready to bloom — What We Get Wrong About Dark Sonic

Yep, this one's going in my sonadow file — The many forms of Sonic the Hedgehog Excalibur

Darkspine Sonic Transformation by justinpritt16 on DeviantArt

How powerful are the Titans in Sonic Frontiers? Sonic needs his super form for some and is stated to not beat the end even with super, but he can beat Solaris.

Sonic the Hedgehog

MMD: Metal Sonic GIF by AstroSeedP on DeviantArt

Needlemouse Sarah Henderson Sticker - Needlemouse Sarah henderson Fnf - Discover & Share GIFs

The Darkspine Sonic transformation scream

Darkspine and Dark Sonic - FlipAnim

DarkSpine sonic, Wiki