Regarding Super Sonic in Final Horizon : r/SonicFrontiers

Sonic Frontiers: The Final Horizon update now available - My Nintendo News

Sonic Frontiers 'The Final Horizon' update launches September 28 - Gematsu

Here's a first look at Super Sonic in Sonic Frontiers

Sonic Frontiers - Towards the Final Horizon by rossyfilms on DeviantArt

Sonic Frontiers trailer out of the Tokyo Game Show showcases Super Sonic and combat - Saving Content

Sonic Frontiers - Final Horizon DLC Spoilers Topic - Page 7 - Games - Sonic Stadium

Sonic Frontiers overview trailer

The Final Horizon Update – Available September 28! - Sonic the Hedgehog

Sonic Frontiers' Final Horizon Launches Today With New Trailer and Screenshots - Games - Sonic Stadium