The robots were just entering the main hall as Knuckles galloped down the Emerald chamber's stairs. Great--he'd have to fight his way out, and probably while carrying the girl.
She had to be there. The Master Emerald had given him the vision of the girl because it was keeping her alive. All this time, he'd been playing with the island's power source, never considering that life support needed power, too.
He crashed through the door into the Emerald chamber. No robots yet--only tranquil green light and polished, mirror-smooth floor. The Master Emerald sat atop the altar, and for a moment Knuckles stared at it. What would Eggman do with it?
Then he shook himself. They'd come back. Sticks said they would. Right now he had to find the girl.
He circled the altar, tapping it with his claws. The schematics showed it opened up. But where were the doors? In the back?
Doubt gnawed at him as he stared at the altar's stone back. What if he opened it and found only old machinery? What if his guess