Weak Armor

https://vignette.wikia.nocookie.net/pmysteryuniverse/images/4/4b/Weak_Armor.PNG/revision/latest?cb=20190718182340format=original Weak Armor is an Ability that raises Speed and lowers Defense when hit by physical moves.

Effect
When Pokémon with this Ability are hit by a physical move, their Speed stat will raise by two stages and their Defense stat will decrease by one stage.

Pokémon with

 * Onix
 * Omanyte
 * Omastar
 * Kabuto
 * Kabutops
 * Slugma
 * Magcargo
 * Skarmory
 * Roggenrola
 * Boldore
 * Dwebble
 * Crustle
 * Garbodor
 * Vanillite
 * Vanillish
 * Vanilluxe
 * Vullaby
 * Mandibuzz
 * Polteageist