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

A lesser-known Sonic transformation from 'Sonic and the Secret Rings'. This form was attained by Sonic in the World of the Ara

Favorites Gallery for JulianCross-titan -- Fur Affinity [dot] net

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

Happy Darkspine Sonic (SFM render) by cutixemma on DeviantArt

Darkspine the plan sonic forms normal by Wereboy-Ryan -- Fur Affinity [dot] net

Sapphire Sonic The Hedge-bat Packing heat by SnoopDawg9191 -- Fur Affinity [ dot] net

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

Commission #9 by YunieTrashmutt -- Fur Affinity [dot] net

Favorites Gallery for Wereboy-Ryan -- Fur Affinity [dot] net

Favorites Gallery for Wereboy-Ryan -- Fur Affinity [dot] net

Favorites Gallery for JulianCross-titan -- Fur Affinity [dot] net

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