Pichu may learn an extremely powerful attack after meeting certain criteria. The attack is called "Volt Tackle". It has a Base Attack Power of 120, accuracy of 100, and 15 PP. The only negative side is that the user takes 1/3 of the given damage.In order to get Volt Tackle on your Pichu, you first need one Female Pikachu holding the Light Ball item. You may then use one of the following to breed with Pikachu: Ditto, Male Raichu, or Male Pikachu. No other Pokemon will work.After finishing the breeding process, hatch the Egg, and inside will be your lovely little Pichu with the Volt Tackle attack! This may be transferred to Pikachu or Raichu if you wish.