Knuckles is one of the Unlockable Characters for Super Smash Bros. Ragnarok. The Guardian of the Master Emerald, Knuckles normally resides on Angel Island floating above the ocean. He is incredibly strong, able to lift things several times his own size and break them just as easily. In addition his powerful fists generate so much energy when he punches that they can ignite generating a burn effect.
A new feature in Super Smash Bros. Ragnarok, pairing has a secret ability in which if both characters perform Final Smashes together. Every Character has a partner that gives both Final Smashes a 5% Damage Boost when performing a Paired Smash.