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Does 1/4 damage per turn at the cost of half the user's max HP if the user is a Ghost and does not have Magic Guard. The effect is removed when the target switches. Fails if the target is already under the effects of Curse. Boosts Attack and Defense one stage and lowers Speed one stage if the user is not a Ghost, or if the user is a Ghost but also has Magic Guard.
The effect of this move is Baton Passable when used by a Ghost-type Pokemon on the Baton Passer.