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Quark Drive (Japanese: クォークチャージ Quark Charge) is an Ability introduced in Generation IX. It is the signature Ability of the futuristic Paradox Pokémon with the exception of Miraidon.

Effect

In battle

	This Ability effect may be in need of research. Reason: Check for other moves/Abilities that can or cannot copy/replace/suppress this Ability: Mummy, Wandering Spirit. Check if Neutralizing Gas works/doesn't work and when, if ever, it changes from not working to working. You can discuss this on the talk page.

When a Pokémon with Quark Drive is on the field and Electric Terrain is active, or the Pokémon is holding Booster Energy, its highest stat (other than HP and taking into account stat stages, but not held items) is increased by 30%, or 50% if Speed is the highest stat. Upon activation, a message tells which stat is increased to all the players. If multiple stats are tied for highest, Quark Drive breaks the tie by prioritizing Attack, Defense, Special Attack, Special Defense, and Speed, in that order.

Quark Drive will activate even if the Pokémon is not grounded. Electric Terrain will activate Quark Drive before a held Booster Energy, so the Booster Energy will not be consumed if the Pokémon with Quark Drive is on Electric Terrain. Quark Drive's stat increase cannot be passed by Baton Pass.

Skill Swap and Doodle will fail if either Pokémon has Quark Drive. Gastro Acid and Role Play will fail if the target has Quark Drive; however, Simple Beam and Worry Seed will work. Quark Drive cannot be copied by Receiver, Trace and Power of Alchemy or replaced by Lingering Aroma. If a Pokémon obtains Quark Drive with Imposter or Transform, the Ability will not activate regardless of if the Pokémon is on Electric Terrain or holding a Booster Energy.

Outside of battle

Quark Drive has no effect outside of battle.

Pokémon with Quark Drive

Trivia

• The greatest difference between a Pokémon’s individual base stats so that this Ability can activate for any stat without external stat changes is 72 points. This assumes that maximum effort values, 31 individual values and a helpful nature was applied to the lowest stat and 0 effort and individual values with a hindering nature to the highest stat.
• Because of how the stat calculations work due to their base stats, the following Pokémon cannot have Quark Drive boost the following stat in battle without stat changes taking place. This accounts for with negative Nature and 0 individual and effort values applied to the stat that will be higher by default and a positive nature, 31 individual values and maximum effort values applied to the stat that cannot be increased.
  • Iron Bundle cannot increase Special Defense as its Speed will always be higher.
  • Iron Hands cannot increase Special Attack or Speed as its Attack will always be higher.
  • Iron Moth cannot increase Defense as its Special Attack will always be higher.

In other languages

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