Generation Iii
Clear Body
Prevents ability reduction.
Detailed Effect
This Pokémon cannot have its stats lowered by other Pokémon. This ability does not prevent any stat losses other than stat modifiers, such as the Speed cut from paralysis. This Pokémon can still be passed negative stat modifiers through Guard Swap, Heart Swap, or Power Swap. This ability functions identically to White Smoke in battle.
Pokémon With Clear Body
19 canonical Pokémon forms can have this Ability.
Tentacool 
Tentacruel 
Beldum 
Metang 
Metagross 
Regirock 
Regice 
Registeel 
Carbink 
Diancie 
Dreepy 
Drakloak 
Dragapult 
Klink 
Klang 
Klinklang 
Nacli 
Naclstack 
Garganacl