Move · Gen 1
Harden
Normalstatus
Raises the user's Defense by one stage.
01 //Move data
Power
—
Accuracy
—
PP
30
Priority
0
02 //Learned by
84 Pokémon
Metapod
Bug
Evolution · Lv. 1
Butterfree
BugFlying
Lv. 1
Kakuna
BugPoison
Evolution · Lv. 1
Beedrill
BugPoison
Lv. 1
Grimer
Poison
Lv. 4
Muk
Poison
Lv. 1
Onix
RockGround
Lv. 1
Krabby
Water
Lv. 4
Kingler
Water
Lv. 1
Staryu
Water
Lv. 1
Starmie
WaterPsychic
Lv. 1
Pinsir
Bug
Lv. 1
Kabuto
RockWater
Lv. 1
Kabutops
RockWater
Lv. 1
Gligar
GroundFlying
Lv. 7
Steelix
SteelGround
Lv. 1
Qwilfish
WaterPoison
Lv. 4
Heracross
BugFighting
Egg
Slugma
Fire
Lv. 13
Magcargo
FireRock
Lv. 13
Corsola
WaterRock
Lv. 1
Silcoon
Bug
Evolution · Lv. 1
Beautifly
BugFlying
Lv. 1
Cascoon
Bug
Evolution · Lv. 1
Dustox
BugPoison
Lv. 1
Seedot
Grass
Lv. 1
Nuzleaf
GrassDark
Lv. 1
Shiftry
GrassDark
Egg
Nincada
BugGround
Lv. 5
Ninjask
BugFlying
Lv. 1
Shedinja
BugGhost
Lv. 1
Nosepass
Rock
Lv. 4
Aron
SteelRock
Lv. 1
Lairon
SteelRock
Lv. 1
Aggron
SteelRock
Lv. 1
Lunatone
RockPsychic
Lv. 1
Solrock
RockPsychic
Lv. 1
Corphish
Water
Lv. 1
Crawdaunt
WaterDark
Lv. 1
Baltoy
GroundPsychic
Lv. 1
Claydol
GroundPsychic
Lv. 1
Anorith
RockBug
Lv. 1
Armaldo
RockBug
Lv. 1
Relicanth
WaterRock
Lv. 1
Shellos
Water
Lv. 5
Gastrodon
WaterGround
Lv. 1
Bonsly
Rock
Egg
Gliscor
GroundFlying
Lv. 1
Roggenrola
Rock
Lv. 4
Boldore
Rock
Lv. 1
Gigalith
Rock
Lv. 1
Vanillite
Ice
Lv. 1
Vanillish
Ice
Lv. 1
Vanilluxe
Ice
Lv. 1
Ferroseed
GrassSteel
Lv. 1
Ferrothorn
GrassSteel
Lv. 1
Larvesta
BugFire
Egg
Spewpa
Bug
Lv. 1
Carbink
RockFairy
Lv. 1
Bergmite
Ice
Lv. 1
Avalugg
Ice
Lv. 1
Diancie
RockFairy
Lv. 1
Grubbin
Bug
Egg
Charjabug
BugElectric
Egg
Vikavolt
BugElectric
Egg
Wimpod
BugWater
Egg
Sandygast
GhostGround
Lv. 1
Palossand
GhostGround
Lv. 1
Pyukumuku
Water
Lv. 1
Buzzwole
BugFighting
Lv. 1
Celesteela
SteelFlying
Lv. 5
Stakataka
RockSteel
Lv. 1
Meltan
Steel
Lv. 1
Melmetal
Steel
Lv. 1
Cursola
Ghost
Lv. 1
Overqwil
DarkPoison
Lv. 4
Nacli
Rock
Lv. 1
Naclstack
Rock
Lv. 1
Garganacl
Rock
Lv. 1
Klawf
Rock
Lv. 6
Orthworm
Steel
Lv. 1
Glimmet
RockPoison
Lv. 1
Glimmora
RockPoison
Lv. 1
Tatsugiri
DragonWater
Lv. 6
Learnsets from each Pokémon's most recent main-series game in the Pokédex.