When used by a Ghost-type, the user sacrifices half of its max HP to sap the target by 1/4 of its max HP per turn. When used by anything else, the user's Speed is decreased by 1 stage and its Attack and Defense are increased by 1 stage.
Almost always goes last; in trainer battles, the target is switched out for a random member of its team. Escapes from wild battles. Has no effect if the target has Suction Cups or used Ingrain.
Base power doubles if, since the beginning of the current turn, the target has taken residual damage from any factors such as recoil, Spikes, Stealth Rock or the effects of holding Life Orb.
When used by a Ghost-type, the user sacrifices half of its max HP to sap the target by 1/4 of its max HP per turn. When used by anything else, the user's Speed is decreased by 1 stage and its Attack and Defense are increased by 1 stage.
If the target switches out on the current turn, this move strikes with doubled power before the switch. Baton Passers still escape safely. When a faster Pokemon uses Pursuit against a U-Turner, the U-Turner is hit for normal damage; when a slower Pokemon uses Pursuit against a U-Turner, the U-Turner makes its attack, then is hit by Pursuit for double power, and switches out.
Almost always goes last; in trainer battles, the target is switched out for a random member of its team. Escapes from wild battles. Has no effect if the target has Suction Cups or used Ingrain.