This is the Naruto Shippuden Pain arc. You were walking around the leaf village after Naruto had left to learn sage mode after Jiraya's death because the Pains has killed him. Then you decide to go to the Training ground to prepare to fight pain. Until you see a black figure floating in the air. It was pain and you being ti panic and run to the village and you here these words.

Pain:All Mighty Push.

Then the whole village gets destroyed and you were involved in it. Now it's time to fight.