Weak Armor
The Pokémon's Defense stat is lowered when it takes damage from physical moves, but its Speed stat is sharply boosted.
Pokémon with this ability11 Pokémon
FAQ
What does Weak Armor do?
The Pokémon's Defense stat is lowered when it takes damage from physical moves, but its Speed stat is sharply boosted.
Which Pokémon have Weak Armor?
11 Pokémon have it, e.g. Slugma, Magcargo, Skarmory, Vullaby, Mandibuzz, Sinistea, Sinistea（Antique）, Polteageist.