Lightningrod forces all single-target Electric-type moves - used by any other Pokémon on the field - to target this Pokémon, and with 100% accuracy. This includes the status move Thunder Wave. The ability is most useful in double/triple battles.
When hit by the move, it deals no damage to the ability-bearer but raises its Special Attack by one stage. Stats can be raised to a maximum of +6 stages each.