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 a replica of the Mind Stone. "Perfect craftsmanship. Aside from being unable to wield the Mind Stone's immense power, it is virtually indistinguishable from the real thing, both in appearance and use." Meikyō played with the replica Mind Stone in his hand, clicking his tongue in amazement. But that was merely a side effect of ensuring Hydra would not notice anything unusual while replicating the Mind Stone.