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Deals damage. The move's type changes depending on the held Drive item. If the user holds a Burn Drive, the move will be Fire-type. If the user holds a Chill Drive, the move will be Ice-type. If the user holds a Douse Drive, the move will be Water-type. If the user holds a Shock Drive, the move will be Electric-type. If the user does not hold a Drive, the move will be Normal-type.
Techno Blast is Genesect's signature move, and it will rarely, if ever, utilize this move. The reasons are twofold; first of all, it is ironically weaker than Flamethrower, Ice Beam, and Thunderbolt, not to mention that Normal-type Techno Blast has awful coverage. Only Water-type Techno Blast could possibly see any competitive use and it is only notable for hitting Fire-types. Water-type Hidden Power boosted by Life Orb is more powerful than Water-type Techno Blast. To make matters even worse, Techno Blast forces Genesect to forgo a more useful item such as a Life Orb or Choice Scarf. So don't bother using Techno Blast, it just isn't worth it.
Flamethrower is a more powerful and reliable alternative.
Thunderbolt is a more powerful and reliable alternative.
Ice Beam is a more powerful and reliable alternative.