In the beginning, he was a blind little puppy obediently following his master’s orders. Anything the master wanted, the master got. Kill that person? No problem. Give up everything you ever had for a life that you never would have imagined for yourself? No problem.
Live a life of bitterness soaked in the blood of others? Why, there was no problem with that either.
He was destined to be whatever the master wanted him to be. From a bitter youth to killing machine, it was all preordained for his life to be nothing more than a series of gruelling trials.