| Type | ghost | 
| Category | Status | 
| Power | 0 | 
| Accuracy | — | 
| PP | 5 | 
| Introduced | Generation 3 | 
If the users faints after using this move, the PP for the opponent's last move is depleted.
When a Pokémon is holding Ghostium Z and uses its Z-Power, Grudge turns into Z-Grudge and makes the Pokémon become the center of attention, in addition to its usual effect as above.
| Ruby Sapphire | If the user faints, deletes the PP of the final move. | 
| FireRed LeafGreen | If the user faints, this move deletes the PP of the move that finished it. | 
| Emerald | If the user faints, deletes all PP of foe’s last move. | 
| Diamond Pearl Platinum HeartGold SoulSilver | If the user faints, the user’s grudge fully depletes the PP of the foe’s move that knocked it out. | 
| Black White Black 2 White 2 | If the user faints, the user’s grudge fully depletes the PP of the opponent’s move that knocked it out. | 
| X Y O.Ruby A.Sapphire | If the user faints, the user’s grudge fully depletes the PP of the opponent’s move that knocked it out. | 
| Sun Moon Ultra Sun Ultra Moon | If the user faints, the user’s grudge fully depletes the PP of the opponent’s move that knocked it out. | 
| Sword Shield B.Diamond S.Pearl | If the user faints, the user’s grudge fully depletes the PP of the opponent’s move that knocked it out. | 
| English | Grudge | 
|---|---|
| Spanish | Rabia | 
| Italian | Rancore | 
| Japanese | おんねん (Onnen) | 
| German | Nachspiel | 
| French | Rancune | 
