Merciless ひとでなし
Brute
Flavor text
Generation VII
The Pokémon's attacks become critical hits if the target is poisoned.
Generation VIII
The Pokémon's attacks become critical hits if the target is poisoned.
Generation IX
The Pokémon's attacks become critical hits if the target is poisoned.
Champions
The Pokémon's attacks become critical hits if the target is poisoned or badly poisoned.

Merciless (Japanese: ひとでなし Brute) is an Ability introduced in Generation VII. It is the signature Ability of Mareanie and Toxapex.

Effect

In battle

Attacks used by the Pokémon with this Ability will always become critical hits against poisoned targets, unless that target has Battle Armor or Shell Armor or is under the effects of Lucky Chant.

Outside of battle

Merciless has no effect outside of battle.

Pokémon with Merciless

# Pokémon Types First Ability Second Ability Hidden Ability
0747 Mareanie Mareanie
Poison Water Merciless Limber Regenerator
0748 Toxapex Toxapex
Poison Water Merciless Limber Regenerator
Please note that Abilities marked with a superscript are only available in the stated generation or later.
  • For Generation III and IV games, ignore Hidden Abilities.

In the manga

Pokémon Adventures

Trivia

  • The Japanese name of the Ability, ひとでなし Hitodenashi, contains a pun on the word ひとで hitode (starfish), explaining why it is a signature Ability of Mareanie and Toxapex.

In other languages

Language Title
Chinese Cantonese 不仁不義 Bātyàhnbātyih
Mandarin 不仁不義 / 不仁不义 Bùrénbùyì
French Cruauté
German Quälerei
Italian Spietatezza
Korean 무도한행동 Mudohan Haengdong
Russian Беспощадность Besposhchadnost'
Spanish Ensañamiento
This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.