Huge Power

 and Pure Power are Pokémon abilities introduced in the third generation. They increase the attack of the user.

Description
Both Huge Power and Pure Power double the Attack stat of Pokémon with this ability.

In the Pokémon Mystery Dungeon series, the ability has 1/3 chance of boosting the attack stat by 50%

Pokémon with Huge Power

 * Marill
 * Azumarill
 * Azurill
 * Mega Mawile

As a Hidden Ability

 * Bunnelby
 * Diggersby

Pokémon with Pure Power

 * Meditite
 * Medicham
 * Mega Medicham