Shadow moves (Japanese: ダークわざ Dark moves) are special moves known only by Shadow Pokémon in Pokémon Colosseum and Pokémon XD: Gale of Darkness. They have no type and are noted in the games with ------ in the type bar.
Many of the Shadow moves are dark, corrupted counterparts of a move that the Shadow Pokémon would normally learn, such as Shadow Lugia's Shadow Blast, which, like the move Aeroblast, sends a high-powered stream of air at the foe, and can only be learned by Lugia. These moves often have lower power than their non-Shadow counterparts, but still inflict more damage due to being super effective. Their usefulness is also increased by their lack of PP, as they can be used as often as needed within a single battle.