| Type | psychic |
| Category | Special |
| Power | 140 |
| Accuracy | 90 |
| PP | 5 |
| Introduced | Generation 3 |
Psycho Boost deals damage but lowers the user's Special Attack by two stages after attacking.
Stats can be lowered to a minimum of -6 stages each.
When a Pokémon is holding Psychium Z and uses its Z-Power, Psycho Boost turns into Shattered Psyche and has base power 200.
| Ruby Sapphire | Allows a full-power attack, but sharply lowers SP. ATK. |
| FireRed LeafGreen | An intense attack that also sharply reduces the user’s SP. ATK stat. |
| Emerald | Allows a full-power attack, but sharply lowers SP. ATK. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user attacks the foe at full power. The attack’s recoil sharply reduces the user’s Sp. Atk stat. |
| Black White Black 2 White 2 | The user attacks the target at full power. The attack’s recoil harshly reduces the user’s Sp. Atk stat. |
| X Y O.Ruby A.Sapphire | The user attacks the target at full power. The attack’s recoil harshly lowers the user’s Sp. Atk stat. |
| Sun Moon Ultra Sun Ultra Moon | The user attacks the target at full power. The attack’s recoil harshly lowers the user’s Sp. Atk stat. |
| Sword Shield B.Diamond S.Pearl | The user attacks the target at full power. The attack’s recoil harshly lowers the user’s Sp. Atk stat. |
| English | Psycho Boost |
|---|---|
| Spanish | Psicoataque |
| Italian | Psicoslancio |
| Japanese | サイコブースト (Psycho Boost) |
| German | Psyschub |
| French | Psycho Boost |