TM18 (item)

Effects

TM18 teaches a move to a compatible Pokémon. TM18 is:

Game locations

Red​/​Blue
Celadon City (Department Store - 3F)
Gold​/​Silver
Ruby​/​Sapphire
FireRed​/​LeafGreen
Route 15 (northwest)
Diamond​/​Pearl
Route 212 (southeastern house - 10 Blue Shards, D/P only)
Route 223 (west)
HeartGold​/​SoulSilver
Black​/​White
Mistralton City (PokeCenter - $50,000)
Black 2​/​White 2
Mistralton City (PokeMart - $50,000)
X​/​Y
Lumiose City (South Boulevard PokéMart - $50,000)
O.Ruby​/​A.Sapphire
Sun​/​Moon
Royal Avenue (PokéMart)
Ultra Sun​/​Ultra Moon
Royal Avenue (PokéMart - $50,000)
L.G. Pikachu​/​L.G. Eevee
Celadon City (Department Store 2F - $20,000)

Game descriptions

Ruby​/​Sapphire
Emerald
Raises the power of WATER-type moves for 5 turns.
FireRed​/​LeafGreen A heavy rain falls for five turns, powering up WATER-type moves.
Diamond​/​Pearl
Platinum
HeartGold​/​SoulSilver
The user summons a heavy rain that falls for five turns, powering up Water-type moves.
Black​/​White
Black 2​/​White 2
The user summons a heavy rain that falls for five turns, powering up Water-type moves.
X​/​Y
O.Ruby​/​A.Sapphire
The user summons a heavy rain that falls for five turns, powering up Water-type moves.
Sun​/​Moon
Ultra Sun​/​Ultra Moon
The user summons a heavy rain that falls for five turns, powering up Water-type moves. It lowers the power of Fire-type moves.