"I wish you'd pick on somebody your own size!" Bill roared, squeezing the magical Stone in his hand as tightly as he could and hoping (more like praying) that the large crack didn't mess up THIS wish. The last thing ANY of them needed was for Bill to end up tiny instead of Rob...Or ALL of them to end up tiny with no way to hold the magical artifact. The teen scrunched his eyes tightly shut and waited for the flash of light that seemed to accompany the wishes...
...And opened them a second later as the bright flash failed to penetrate the thin flesh of his eyelids. He glanced down at his Stone-beholden fist with a barely open lid, and then fully opened both of his eyes and stared at it in confusion all while the enormous muscle-bound bully in front of him let out a deep, throaty chuckle.
"What the fuck are you doing, Shitterman? What, you find a magic genie? Robin Williams gonna come make a few pop culture references and save you?" Rob voice rumbled out mockingly before he struck a dramatic, frightful pose, "OH NO IT'S A MUSICAL NUMBER! Give me a fucking break, you fuckin' faggot"
"But why-" Bill muttered, opening his fingers and staring at the dimly lit Stone in his hand as Rob advanced forward, his mirthful face twisting into it's usual snarl as he reached out with a arm that seemed to be filled with high-tension cables to seize Bill by the collar of his shirt.
"Now, tell me how you made your little cuntsocket and Titsapolous shrink and how I can use it against BIg Jon, or else I'll-" Rob snarled into Bill's startled face, but then there was a sputter of golden sparks that erupted from the crack in the Stone's emerald casing. For a brief moment the Stone looked like an out of control sparkler, and Bill's first instinct (having developed a slight fear of fireworks from, as a young child, had accidentally grabbed a live sparkler and badly burnt his hand) was to drop the pyrotechnic gemstone.
But instead of falling to the floor, the Stone hung in the air and began spinning faster and faster as the shower became more intense, the sparks wrapping themselves around Bill and Rob, who promptly released Bill and began swatting at the sparks, his voice growing higher and more panicked as they spread across his shrinking body from head to toe. Bill simply stared at his glowing flesh until his own vision was overtaken by golden light and he was overtaken by light-headiness, as if he had stood up too fast. The geeky teen stumbled backwards and lowered himself into one of the chairs at the family table and put his head in what he felt was his hands as the dizzy spell continued even as the sparks faded and the world of the kitchen returned.
"What...What happened now!?" Bill groaned.
Option 1: Bill is still in his kitchen, but where is Rob!? Did he shrink down with the others? And why was the world looking a little bit bigger to Bill himself now? As Bill gets his bearings, he realizes that he's been changed as well, and that now he's...Oh no!
Option 2: Bill is still in the kitchen...But this isn't HIS kitchen! In fact, he doesn't recognize anything about this place! Where was he and why did he feel so...huge?