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After the Elite 4, a hiker in Eterna City will say: "Across that pond lays a cave with very powerful Pokemon. Are you up for the challenge?" Say yes and he will say: "Ah, a brave trainer you are, just Surf up the pond past the statue and there is the Eterna Cave." Say no and he will say: "Aww, I thought you were brave enough to do it." Go to the back of the cave and there is Mewtwo at level 50. You'll need Pokemon with Surf, Rock Smash, Strength, Rock Climb and Flash and you will need lots of Ultra Balls/Hyper balls.

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11y ago

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