'I have to get to them,' was the last thing Sirius clearly remembered after that moment of panic. The rest just seemed a blur. The night the Potter's died was the most painful night of Sirius Black's life. His two best friends were murdered due to the cowardice of someone who was supposed to be their friend, and Sirius' godson, Harry, was taken from his custody. The night the Potters died was the night Sirius Black lost his innocence to darkness.