From Bulbapedia, the community-driven Pokémon encyclopedia.

Psycho Boost (Japanese: サイコブースト Psycho Boost) is a damage-dealing Psychic-type move introduced in Generation III. It is the signature move of Deoxys.

Effect

Psycho Boost inflicts damage and lowers the user's Special Attack stat by two stages.

Psycho Boost can be used as the second move of a Pokémon Contest combination, with the user gaining 6 bonus appeal points if Calm Mind was used in the previous turn.

Generation VIII

Pokémon Sword and Shield

Psycho Boost cannot be selected in a battle.

Generation IX

In Versions 1.0 to 2.0.2 of Pokémon Scarlet and Violet, Psycho Boost could not be selected in a battle. Starting with Version 3.0.0, it is usable and functions the same as it did in previous generations.

Description

Games Description
RSEColoXD Allows a full-power attack, but sharply lowers Sp. Atk.
FRLG An intense attack that also sharply reduces the user's Sp. Atk stat.
DPPtHGSSPBR The user attacks the foe at full power. The attack's recoil sharply reduces the user's Sp. Atk stat.
BWB2W2 The user attacks the target at full power. The attack's recoil harshly reduces the user's Sp. Atk stat.
XYORAS
SMUSUM
SwSh*BDSPLA 		The user attacks the target at full power. The attack's recoil harshly lowers the user's Sp. Atk stat.
SwSh*
SV* 		This move can't be used. It's recommended that this move is forgotten. Once forgotten, this move can't be remembered.
SV* The user attacks the target with all its might. The recoil from this move harshly lowers the user's Sp. Atk stat.

Learnset

By leveling up

# Pokémon Types Egg Groups Level
III IV V VI VII VIII IX
0386 Deoxys PsychicIC Big.png No Eggs Discovered 45 89 89 89XY
67ORAS 		67 67 67
Bold indicates a Pokémon gains STAB from this move.
Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.
A dash (−) indicates a Pokémon cannot learn the move by the designated method.
An empty cell indicates a Pokémon that is unavailable in that game/generation.

Special move

Generation III

# Pokémon Types Egg Groups Obtained with
0249 Lugia PsychicIC Big.png
FlyingIC Big.png 		No Eggs Discovered Purified Shadow PokémonXD
Bold indicates a Pokémon gains STAB from this move.
Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.
A dash (−) indicates a Pokémon cannot learn the move by the designated method.
An empty cell indicates a Pokémon that is unavailable in that game/generation.

Generation IV

By event

Generation IV

In other games

Pokémon Mystery Dungeon series

Psycho Boost deals damage. The user's Special Attack is then decreased by two stages.

Pokémon GO

050Diglett.png This section is incomplete.
Please feel free to edit this section to add missing information and complete it.
Reason: Missing image

In Pokémon GO, Psycho Boost is a Charged Attack that has been available since October 1, 2018.

Updates

Trainer Battles
  • December 11, 2019
    • Energy cost: 40 → 35
    • Secondary effect added

Pokémon Rumble Rush

PsychicIC RR.pngPsycho Boost
★★★★★
Attack power 51.53108
Charge time 0.58 seconds
Range type Circular (ranged)
Number of hits 1
Number of projectiles 1
Critical hit rate 1.5%
Additional effect Lowers the user's Attack
Psycho Boost Rumble Rush.png

Pokémon Masters EX

Notes:

  • Psycho Boost:
  • Space Rocks Psycho Boost:

Description

Games Description
MDRB Inflicts damage on the target. However, it also lowers the user's Special Attack by two levels.
MDTDS Inflicts damage on the target. But it also reduces the user's Special Attack by 2 levels.
BSL てきポケモンに ダメージをあたえる ただし じぶんのとくこうが ２だんかい さがってしまう
MDGtI IconKanji2MD.pngUNUSED
SMD It damages a Pokémon, even one far away. But it also sharply lowers your Sp. Atk. The stat returns to normal when you go to the next floor or step on a IconTileSMD.pngWonder Tile.

In the anime

Main series

Pokémon Generations

Deoxys Psycho Boost PG.png
Attack Forme Deoxys
The user forms a glowing ball of energy and shoots it at the opponent.
Pokémon Method
User First Used In Notes
Deoxys Attack Forme Deoxys creates a glowing multi-colored ball of energy in between its tentacles and fires it at the opponent.
Trainer's Deoxys The Scoop Debut

In the manga

Pokémon Adventures

Organism No 2 Attack Forme Psycho Boost.png
Attack Forme Deoxys Organism No 2 Normal Forme Psycho Boost.png
Deoxys
The user forms a glowing ball of energy and shoots it at foe.
Pokémon Method
User First Chapter Used In Notes
Deoxys Deoxys holds its arms up and a large ball of energy forms in between it. Deoxys then absorbs the energy ball into the crystal on its chest and fires an even larger ball of energy with a powerful aura around it from its chest at the opponent.
Giovanni's Organism No. 2 Don't Doubt Deoxys Debut
Deoxys Attack Forme Deoxys puts its tentacles together in front of its body and a mass of energy forms in between them. It then bends its body backwards, holds its tentacles around the orb of energy like a cannon and fires the orb at the opponent.
Giovanni's Organism No. 2 Down-for-the-Count Deoxys None

Pokémon Diamond and Pearl Adventure!

In other generations

Core series games

Side series games

Spin-off series games

Trivia

In other languages