On a Roll (Skill)

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On a Roll ダウン確率上昇
Increase Chance of Stat Reduction
Passive Skill
Raises the chance of lowering stat values with the additional effects of the user's moves.

On a Roll (Japanese: ダウン確率上昇 Increase Chance of Stat Reduction) is a family of skills in Pokémon Masters EX.

Effect

On a Roll raises the chance of lowering the opponent's stat values with the additional effects of moves. The skill can range from On a Roll 1 to On a Roll 9, with higher numbered skills resulting in a greater increase in the chance of lowering stat values with moves. The chance is calculated according to the below formula.

OverallChance=MoveBaseChance×(1+(SkillRank×NumberOfPassives))

Availability

On a Roll 1

As passive skill

Scottie & Cobalion Scottie/Bettie & Cobalion Bettie & Cobalion
Scottie/Bettie
& Cobalion


May & LatiasMay & Latias
May
(Anniversary 2022)
& Latias

(Only before Mega Evolving)
Egg Pokémon

As grid skill (yellow tiles)

Burgh & LeavannyBurgh & Leavanny
Burgh
& Leavanny

(Two separate tiles)

Fantina & MismagiusFantina & Mismagius
Fantina
& Mismagius

(Two separate tiles)

As grid skill (red tiles)

Red sync grid tiles require the sync pair to use a specific move to activate the skill effect.

Dahlia & LudicoloDahlia & Ludicolo
Dahlia
& Ludicolo

(Muddy Water)

Giovanni & MewtwoGiovanni & Mewtwo
Giovanni
& Mewtwo

(Shadow Ball)

Hilda & TornadusHilda & Tornadus
Hilda
& Tornadus

(Bleakwind Storm)

Hilda & MienfooHilda & Mienfoo
Hilda
& Mienfoo

(Rock Smash)

Leaf & EeveeLeaf & Eevee
Leaf
& Eevee

(Iron Tail)

Lisia & AltariaLisia & Altaria
Lisia
& Altaria

(Moonblast)

Red & SnorlaxRed & Snorlax
Red
& Snorlax

(Rock Smash)

Riley & LucarioRiley & Lucario
Riley
& Lucario

(Iron Tail)

Victor & SpectrierVictor & Spectrier
Victor
& Spectrier

(Shadow Ball)

On a Roll 2

As passive skill

As grid skill (yellow tiles)

As grid skill (red tiles)

Red sync grid tiles require the sync pair to use a specific move to activate the skill effect.

Scottie & Solgaleo Scottie/Bettie & Solgaleo Bettie & Solgaleo
Scottie/Bettie
& Solgaleo
(Focus Blast)

Erika & VileplumeErika & Vileplume
Erika
& Vileplume

(Energy Ball; two separate tiles)

Giovanni & MewtwoGiovanni & Mewtwo
Giovanni
& Mewtwo

(Psychic; two separate tiles)

Gloria & ZacianGloria & Zacian
Gloria
& Zacian

(Play Rough)

On a Roll 3

As passive skill

As grid skill (red tiles)

Red sync grid tiles require the sync pair to use a specific move to activate the skill effect.

Calem & SylveonCalem & Sylveon
Calem
& Sylveon

(Moonblast)

Mina & GranbullMina & Granbull
Mina
& Granbull

(Play Rough)

Valerie & MawileValerie & Mawile
Valerie
& Mawile

(Play Rough)

On a Roll 4

As passive skill

As grid skill (yellow tiles)

As grid skill (red tiles)

Red sync grid tiles require the sync pair to use a specific move to activate the skill effect.

Adaman & VaporeonAdaman & Vaporeon
Adaman
& Vaporeon

(Bubble Beam)

Allister & GengarAllister & Gengar
Allister
& Gengar

(Shadow Ball; since March 25, 2025)

Hop & ZacianHop & Zacian
Hop
& Zacian

(Play Rough)

Kali & AzumarillKali & Azumarill
Kali
& Azumarill

(Bubble Beam)

On a Roll 5

As grid skill (red tiles)

Red sync grid tiles require the sync pair to use a specific move to activate the skill effect.

On a Roll 9

As passive skill

As grid skill (red tiles)

Red sync grid tiles require the sync pair to use a specific move to activate the skill effect.

Bea & HitmontopBea & Hitmontop
Bea
& Hitmontop

(Focus Blast)

Dawn & EmpoleonDawn & Empoleon
Dawn
& Empoleon

(Flash Cannon)

Florian & LechonkFlorian & Lechonk
Florian
& Lechonk

(Play Rough)

Trivia

  • On release, Dawn & Wormadam had a red sync grid tile with the skill On a Roll 4, which only applied to their move Struggle Bug. This was redundant, as Struggle Bug has a 100% chance of lowering the opponent's Sp. Atk. In version 2.30.0, this tile was changed to Satisfied Snicker 4.

In other languages

Language Title
Japanese ダウン確率上昇
Mandarin Chinese 下降機率提升
French Accablement
German Senkungschance↑
Italian Maluspesso
Korean 다운확률상승 Daun Hwakryul Sangseung
Spanish Condena +
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