Harden

Damage class	Status	Type	NORMAL	Target	Self
Power	---	Accuracy	---	PP	30
Priority	0	Additional effect chance			0%
Additional effect description		Increases user's Defense by 1 stage.

In-game description

The user stiffens all the muscles in their body to raise their Defense stat.

Pokémon that learn it

Pokémon	Methods
Metapod	Evolution
Metapod	Level 1
Kakuna	Evolution
Kakuna	Level 1
Grimer (Normal Form)	Level 4
Grimer (Alolan Form)	Level 4
Muk (Normal Form)	Level 1
Muk (Normal Form)	Level 4
Muk (Alolan Form)	Level 1
Muk (Alolan Form)	Level 4
Muk (PULSE Form)	Level 1
Muk (PULSE Form)	Level 4
Onix	Level 1
Krabby	Level 11
Kingler	Level 11
Staryu	Level 1
Pinsir	Level 11
Pinsir (Mega Form)	Level 11
Kabuto	Level 1
Kabutops	Level 1
Sudowoodo	Egg move
Gligar	Level 7
Steelix	Level 1
Steelix (Mega Form)	Level 1
Steelix (Gargantuan Form)	Level 1
Qwilfish	Level 9
Heracross	Egg move
Heracross (Mega Form)	Egg move
Slugma	Level 13
Magcargo	Level 13
Corsola	Level 1
Silcoon	Evolution
Cascoon	Evolution
Seedot	Level 3
Nuzleaf	Level 3
Nincada	Level 1
Ninjask	Level 1
Shedinja	Level 1
Nosepass	Level 4
Aron	Level 1
Lairon	Level 1
Aggron	Level 1
Aggron (Mega Form)	Level 1
Lunatone	Level 1
Solrock	Level 1
Corphish	Level 5
Crawdaunt	Level 1
Crawdaunt	Level 5
Baltoy	Level 1
Claydol	Level 1
Anorith	Level 1
Armaldo	Level 1
Relicanth	Level 1
Wormadam (Sandy Cloak Form)	Level 29
Shellos (West Sea Form)	Level 4
Shellos (East Sea Form)	Level 4
Gastrodon (West Sea Form)	Level 1
Gastrodon (West Sea Form)	Level 4
Gastrodon (East Sea Form)	Level 1
Gastrodon (East Sea Form)	Level 4
Bonsly	Egg move
Gliscor	Level 1
Gliscor	Level 7
Roggenrola	Level 4
Boldore	Level 1
Boldore	Level 4
Gigalith	Level 1
Gigalith	Level 4
Vanillite	Level 4
Vanillish	Level 1
Vanillish	Level 4
Vanilluxe	Level 1
Vanilluxe	Level 4
Ferroseed	Level 1
Ferrothorn	Level 1
Axew	Egg move
Larvesta	Egg move
Spewpa	Level 1
Carbink	Level 1
Bergmite	Level 1
Avalugg	Level 1
Avalugg (PULSE Form)	Level 1
Diancie	Level 1
Diancie (Mega Form)	Level 1
Grubbin	Egg move
Wimpod	Egg move
Sandygast	Level 1
Palossand	Level 1
Pyukumuku	Level 1
Buzzwole	Level 1
Celesteela	Level 1