3.14159 (Earth-1191) VS A'Kurru U'mbaya (Earth-616)

The Sentinel that would name itself 3.14159 was one of the Sentinels brought to Earth-616 by the time traveler Trevor Fitzroy of Earth-1191. As part of the "game" he was playing with the Upstarts, Fitzroy sent his Sentinels to murder the Reavers, and their leader Donald Pierce.[1] This Sentinel was severely damaged and shut down, and constantly doused in the bio-mechanical fluid that Pierce had used to create his cyborgs and androids. Later when Wolverine and Jubilee went to the Reavers headquarters to investigate on orders from Professor X they accidentally reactivated the Sentinel.[2] Having become sentient due to its exposure to the bio-mechanical fluid, it determined that it should act in the best interest of Sentinel kind and decided to wipe out all of humanity. Using a time warp to transport itself (along with Wolverine and Jubilee) to the Anthill, the base of the now deactivated Sentinels built by Larry Trask, it built a device that would cause a solar flare and eradicate all human life on the Earth.

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A'Kurru U'mbaya was a Wakandan bio-chemist who was empowered with the ability to transform his flesh into wood through his experiments. He used his powers to try to seize the throne. Shape-shifting: Icon has the power to transform his flesh into wood-- and his head appears elongated into an African mask. Although this wood seems more durable and impervious than normal wood, he is also able to control it to give him limited shape-shifting abilities, such as elongating his limbs and forming weapons with his hands. Icon can also cause a similar transformation in others-- transforming them into replicas of himself (without the shape-shifting abilities) under his direct control.

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