SILPH//OS
TM21
all-machines

TM21

The less the user likes you, the more powerful this move.

TM / HMtm21
Detailed Effect

Teaches Frustration to a compatible Pokémon.

Where to Find
AreaGameDetailsQtyFlags
Rocket Hideout
FireRedLeafGreen
TM21 (Frustration) lies near the east wall, 5 tiles south of a lone Rocket Grunt and 4 tiles northeast of the stairs down to B4F.×1
Pacifidlog Town
Emerald
The Fan Club Chairman's Brother gives TM21 (Frustration) if your lead is unfriendly, one a week; he stands 3 north, 1 west of the door.×1
RECURRING
Pacifidlog Town
RubySapphire
In the house, 3 tiles north and 1 west of the door, TM21 is given if your lead's friendship is under 50, once a week.×1
RECURRING
Celadon City
RedBlueYellow
Erika hands over TM21 once you beat her, 14 tiles straight north of the Celadon Gym entrance.×1
Goldenrod City
CrystalGoldSilver
Store 5F: On Sundays the Receptionist gives TM21 if your lead Pokémon's happiness is under 50, once per Sunday.×1
RECURRING
Galactic HQ
Platinum
On 3F, TM21 rests toward the northeast of a room sealed by a door that only the Galactic Key unlocks.×1
Goldenrod City
HeartGoldSoulSilver
On Sundays a receptionist 2 tiles straight north of a clerk gives TM21 if your lead's friendship is 50 or less; she gives it or TM27 once.×1
Galactic HQ
DiamondPearl
TM21 lies in the room behind the 3F doors the Galactic Key unlocks; the doors stand 7 tiles south and 8 west of it.×1
Obtained from NPCGIFT
NPCAreaGameDescription
Fan Club Chairman's BrotherPacifidlog TownEmeraldThe Fan Club Chairman's Brother gives TM21 (Frustration) if your lead is unfriendly, one a week; he stands 3 north, 1 west of the door.
Fan Club Chairman's BrotherPacifidlog TownRubyThe Fan Club Chairman's Brother, 3 tiles north and 1 west of the door, gives TM21 if your lead Pokémon's friendship is under 50, weekly.
Fan Club Chairman's BrotherPacifidlog TownSapphireThe Fan Club Chairman's Brother, 3 tiles north and 1 west of the door, gives TM21 if your lead Pokémon's friendship is under 50, weekly.
ErikaCeladon CityRedErika, the Gym Leader, gives you TM21 after the battle, 14 tiles straight north of the Celadon Gym entrance.
ErikaCeladon CityBlueErika, the Gym Leader, gives you TM21 after the battle, 14 tiles straight north of the Celadon Gym entrance.
ErikaCeladon CityYellowErika, the Gym Leader, gives you TM21 after the battle, 14 tiles straight north of the Celadon Gym entrance.
ReceptionistGoldenrod CityCrystalStore 5F: The Receptionist gives TM21 on Sundays if your lead Pokémon's happiness is under 50, once per Sunday.
ReceptionistGoldenrod CityGoldStore 5F: The Receptionist gives TM21 on Sundays if your lead Pokémon's happiness is under 50, once per Sunday.
ReceptionistGoldenrod CitySilverStore 5F: The Receptionist gives TM21 on Sundays if your lead Pokémon's happiness is under 50, once per Sunday.
ReceptionistGoldenrod CityHeartGoldOn Sundays a receptionist 2 tiles straight north of a clerk gives TM21 if your lead's friendship is 50 or less; she gives it or TM27 once.
ReceptionistGoldenrod CitySoulSilverOn Sundays a receptionist 2 tiles straight north of a clerk gives TM21 if your lead's friendship is 50 or less; she gives it or TM27 once.
Reward from TrainerREWARD
TrainerClassAreaGame
ErikaGym LeaderCeladon CityRed
ErikaGym LeaderCeladon CityBlue
ErikaGym LeaderCeladon CityYellow
Available in Shops
Veilstone City Prize Exchange
Veilstone CityPlatinumDiamondPearl
8,000coins
Celadon Dept. Store 3F
Celadon CityHeartGoldSoulSilver
₽1,000