Sonic’s iconic Light Speed Dash ability is in Sonic Frontiers but the game only tells you about it if you complete the 1-7 cyberspace stage. Here’s how to use it.
From the start of the game, you can use the ability. For Xbox and PS5, click on the left thumbstick, L3, to use it when facing a trial of rings. The ability does stop Sonic unlike Sonic Adventure 2’s version so be aware of that risk if you’re going for S ranks.