Harden is a Status Normal-type move with 30 PP. It was introduced in Generation I.
Raises the user’s Defense by one stage.
Power
—
Accuracy
—
PP
30
Priority
0
From the games
The user stiffens all the muscles in its body to boost its Defense stat.
Pokémon that learn Harden
97 Pokémon
Metapod
#011
Butterfree
#012
Kakuna
#014
Beedrill
#015
Geodude
#074
Graveler
#075
Golem
#076
Grimer
#088
Muk
#089
Onix
#095
Krabby
#098
Kingler
#099
Staryu
#120
Starmie
#121
Pinsir
#127
Kabuto
#140
Kabutops
#141
Snorlax
#143
Sudowoodo
#185
Gligar
#207
Steelix
#208
Qwilfish
#211
Heracross
#214
Slugma
#218
Magcargo
#219
Corsola
#222
Silcoon
#266
Beautifly
#267
Cascoon
#268
Dustox
#269
Seedot
#273
Nuzleaf
#274
Shiftry
#275
Nincada
#290
Ninjask
#291
Shedinja
#292
Nosepass
#299
Aron
#304
Lairon
#305
Aggron
#306
Lunatone
#337
Solrock
#338
Corphish
#341
Crawdaunt
#342
Baltoy
#343
Claydol
#344
Anorith
#347
Armaldo
#348
Relicanth
#369
Shellos
#422
Gastrodon
#423
Bonsly
#438
Gliscor
#472
Probopass
#476
Roggenrola
#524
Boldore
#525
Gigalith
#526
Vanillite
#582
Vanillish
#583
Vanilluxe
#584
Ferroseed
#597
Ferrothorn
#598
Axew
#610
Golett
#622
Golurk
#623
Larvesta
#636
Spewpa
#665
Vivillon
#666
Carbink
#703
Bergmite
#712
Avalugg
#713
Diancie
#719
Grubbin
#736
Charjabug
#737
Vikavolt
#738
Crabrawler
#739
Crabominable
#740
Wimpod
#767
Golisopod
#768
Sandygast
#769
Palossand
#770
Pyukumuku
#771
Buzzwole
#794
Celesteela
#797
Stakataka
#805
Meltan
#808
Melmetal
#809
Cursola
#864
Overqwil
#904
Nacli
#932
Naclstack
#933
Garganacl
#934
Klawf
#950
Orthworm
#968
Glimmet
#969
Glimmora
#970
Tatsugiri
#978