Optimus always was the one to dwell in the past and sorrow. He blames himself for most of the deaths on Cybertron.... Autobot, decepticon the unchosen ones. He knew the dark history of the primes and how corrupt it sometimes may have seemed to be in the eyes of his enemy... Megatron... Megatron was always to hold his position as the one in control. He knew that sacrifices had to be made....He hated The Prime more than anything... THE ART IS NOT OURS. IT BELONGS TO ITS RIGHTFULL OWNERAll Rights Reserved