Merciless
Effect in Pokémon Champions
The Pokémon’s attacks become critical hits if the target is poisoned or badly poisoned.
Changes by generation
- Pokémon Champions
- Unchanged from Gen 9
- Gen 7–9
- Introduced in Gen 7
Type breakdown
Highest base stat totals
Pokémon that run this ability
Champions Doubles2026-09
Percentages are the share within each Pokémon in Champions Doubles (2026-09).
Source: Smogon (Champions VGC reg.MC)
Champions Singles2026-09
Percentages are the share within each Pokémon in Champions Singles (2026-09).
Source: Smogon (Champions BSS reg.MC)
OU (Singles)2026-09
Percentages are the share within each Pokémon in OU (Singles) (2026-09).
Source: Smogon (OU)
Doubles OU2026-09
Percentages are the share within each Pokémon in Doubles OU (2026-09).
Source: Smogon (Doubles OU)
Pokémon with this ability2 Pokémon
Narrow these down further in Advanced Search (types, base stats and more) →
FAQ
What does Merciless do?
The Pokémon’s attacks become critical hits if the target is poisoned or badly poisoned.
Which Pokémon have Merciless?
2 Pokémon have it, e.g. Mareanie, Toxapex.
Which types of Pokémon have Merciless?
The most common are Poison (2) / Water (2). The full breakdown of all 2 Pokémon is listed on this page.
Which Pokémon with Merciless has the highest base stat total?
In order: Toxapex (495), Mareanie (305).