Forbidden

"And, rest assured, the quasi-Sage level version of the Eye of Prophecy was also too difficult for any of the Masters at the time, let alone any of the younger Martial Artists," Emperor Rael's tone grew darker. "As I mentioned, it could not be used without paying the price and the price they paid."

He stared deep into Rui's eyes. "The price they paid to use a technique they were unworthy of using was their lifespan."

Rui's eyes widened with shock. "What?!"