CoroCoro Special magazine has revealed a new Combination Technique (コンビネーション技) feature in the upcoming games Pokémon Black and White. Combination technique allow Pokémon to combine certain attacks together in Double and Triple Battles to create a new combined effect. Three new Combination Technique attacks were revealed: Grass Oath (くさのちかい), Fire Oath (ほのおのちかい) and Water Oath (みずのちかい).

Below is a list of the revealed combination's and their effect:
  • Grass Oath (くさのちかい) + Fire Oath (ほのおのちかい): When combined, the result will be a field of fire that damages your opponent's Pokémon each turn.
  • Fire Oath (ほのおのちかい) + Water Oath (みずのちかい): When combined, the result will be a rainbow which raises the chance of an attack's secondary effect to occur.
  • Water Oath (みずのちかい) + Grass Oath (くさのちかい): When combined, the result will be a swamp-like field that lowers the speed of your opponent's Pokémon.