In the Metroid series, who is the parasite responsible for copying Samus’s powers?

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Who played British prime minister Winston Churchill in "Darkest Hour"? What medieval board game originates from ancient Persia and shares similarities with modern backgammon? What term describes plant roots growing downward regardless of how the seed is oriented? Which vegetable is used to make French fries? What is the name of Link's primary sword throughout much of The Legend of Zelda series?