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The Thwomp Orb first appears in Mario Party 6, where players can only place it on a space as a roadblock. It costs ten coins at the Orb Shop. Opponents that pass a space containing the Orb get flattened by a Thwomp, ending their turn. In Mario Party 7, it is reused for the same purpose. If a player is under the effect of the Metal Mushroom Orb the Thwomp will attempt to crush that player but it will be deflected, negating the roadblock.
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