Sharply raises the user's Sp.Def.
Amnesia is a Psychic-type status move that sharply raises the user's Special Defense stat by two stages. This allows the user to better withstand special attacks from opponents, making it a valuable move for increasing survivability in battle. Amnesia has an accuracy of 100%, ensuring that it will successfully boost the user's Special Defense unless affected by accuracy-reducing conditions. In Polished Crystal, Amnesia can be learned by various Psychic-type Pokémon, providing them with a strategic option to enhance their defenses against special attacks.
| Types | ||||
|---|---|---|---|---|
| Azumarill | Egg | - | waterfairy | |
| Azurill | Egg | - | normalfairy | |
| Clefable | Egg | - | fairy | |
| Clefairy | Egg | - | fairy | |
| Cleffa | Egg | - | fairy | |
| Clodsire | Level | Level: 24 | poisonground | |
| Corsola | Egg | - | waterrock | |
| Corsola(galarian) | Egg | - | ghostrock | |
| Cursola | Egg | - | ghostrock | |
| Furret | Level | Level: 42 | normal | |
| Girafarig | Egg | - | psychicdark | |
| Golduck | Level | Level: 41 | waterpsychic | |
| Hoppip | Level | Level: 40 | grass | |
| Jumpluff | Level | Level: 54 | grass | |
| Kingler | Egg | - | water | |
| Krabby | Egg | - | water | |
| Lickilicky | Level | Level: 41 | normal | |
| Lickitung | Level | Level: 41 | normal | |
| Magcargo | Level | Level: 36 | firerock | |
| Marill | Egg | - | waterfairy | |
| Meowth | Egg | - | normal | |
| Meowth(alolan) | Egg | - | dark | |
| Meowth(galarian) | Egg | - | steel | |
| Mew | Level | Level: 80 | psychic | |
| Mewtwo | Level | Level: 82 | psychic | |
| Mewtwo(armored) | Level | Level: 82 | psychicsteel | |
| Munchlax | Level | Level: 9 | normal | |
| Nidoking | Egg | - | poisonground | |
| Nidoran♂ | Egg | - | poison | |
| Nidorino | Egg | - | poison | |
| Perrserker | Egg | - | steel | |
| Persian | Egg | - | normal | |
| Persian(alolan) | Egg | - | dark | |
| Piloswine | Level | Level: 58 | iceground | |
| Psyduck | Level | Level: 37 | water | |
| Quagsire | Level | Level: 24 | waterground | |
| Sandshrew(alolan) | Egg | - | icesteel | |
| Sandslash(alolan) | Egg | - | icesteel | |
| Sentret | Level | Level: 36 | normal | |
| Skiploom | Level | Level: 48 | grass | |
| Slowbro | Level | Level: 43 | waterpsychic | |
| Slowbro(galarian) | Level | Level: 43 | poisonpsychic | |
| Slowpoke | Level | Level: 41 | waterpsychic | |
| Slowpoke(galarian) | Level | Level: 41 | psychic | |
| Slugma | Level | Level: 36 | fire | |
| Snorlax | Level | Level: 9 | normal | |
| Swinub | Level | Level: 48 | iceground | |
| Tangela | Egg | - | grass | |
| Tangrowth | Egg | - | grass | |
| Wobbuffet | Level | Level: 1 | psychic | |
| Wooper | Level | Level: 23 | waterground | |
| Wooper(paldean) | Level | Level: 23 | poisonground | |
| Wynaut | Level | Level: 1 | psychic |