Six Paths Yin Power!

Tony Stark blinked and sent Meikyō back. Stark did not make Meikyō wait a full week. In just four days, he created an imitation Mind Stone. "Perfect craftsmanship. Aside from being unable to wield the Mind Stone's immense power, it was almost indistinguishable from the real thing, both in appearance and use." Meikyō turned the imitation Mind Stone over in his hand, marveling at it. But that was merely a side effect added during its creation to keep Hydra from noticing anything unusual.