A gemstone that can only be found at the heart of a collapsed star. It can break the laws of physics, bend space-time, create copies of matter, and basically anything else that’s ‘impossible’.
“Man, I hate Newton’s first law of motion...”
“You wanna borrow my Illogical Stone?”
“Yeah, sure!”
(Reverses Newton’s first Law of Motion)
“Thanks, Franklin!”
“Anytime, Adams!”