BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
After he is left for dead during the Clone Wars, a single trooper comes to hate the Jedi who abandoned him. Years later, he hears of a great and powerful warrior—the hand of the new Galactic Empire, Darth Vader! Seeking to serve the Dark Lord, this man, Hock, becomes a stormtrooper and works to gain the respect of Vader! Collects the five-issue miniseries.