How Sonic Frontiers was made (Sort of Final Boss spoilers) : r/SonicTheHedgehog

If SAGE ends up being a villain and we have to fight her in Sonic Frontiers, I wish it will be this epic! : r/SonicTheHedgehog

How to Beat the Secret Final Boss in 'Sonic Frontiers

Sonic Frontiers Official Website

Sonic Prime (Western Animation) - TV Tropes

SPOILERS FOR SONIC FRONTIERS FINAL HORIZON) which is stronger? : r/ SonicTheHedgehog

Sonic Frontiers' final free update comes with a surprising difficulty spike

What are your predictions for Sonic Frontiers: The final horizon? : r/ SonicTheHedgehog

Final Boss and Ending - Sonic Frontiers Guide - IGN

Sonic Frontiers: The Final Horizon Review - Noisy Pixel

Sonic Frontiers Director Responds to Suggestion About Fixing The Final Boss

Sonic Frontiers: How to unlock the true final boss & ending

What's Wrong with Sonic Frontiers: The Final Horizon?, by Travis Vuong

Final Boss and Ending - Sonic Frontiers Guide - IGN

The End- redesign/concept : r/SonicTheHedgehog

The Murder of Sonic the Hedgehog, Sonic Wiki Zone