Sonic the Hedgehog and Knuckles the Echidna face off over a Master Emerald HD Phone Wallpaper

Sonic the Hedgehog and Knuckles the Echidna are in a tense standoff, facing each other with determined expressions. A glowing green Master Emerald hovers between them, emitting a bright beam of light. Below them, ancient stone steps lead down into a mystical, glowing environment.