TM21 (item)

Effects

TM21 teaches a move to a compatible Pokémon. TM21 is:

Game locations

Sorry, we don't have location data just yet.

Game descriptions

Ruby/Sapphire
Emerald
The less the user likes you, the more powerful this move.
FireRed/LeafGreen This attack move grows more powerful the less the user likes its TRAINER.
Diamond/Pearl
Platinum
HeartGold/SoulSilver
A full-power attack that grows more powerful the less the user likes its Trainer.
Black/White
Black 2/White 2
A full-power attack that grows more powerful the less the user likes its Trainer.
X/Y A full-power attack that grows more powerful the less the user likes its Trainer.