Zero, The Chaos Assassin

Zero, an assassin since four, died on a mission to cripple the EODS, Earth Orbital Defense System. Now floating in the Void due to his abnormal amount of Negative Karma...... (First Novel ever written. Constructive criticism please. I want to see how far I can take this and hopefully make something out of it.) [This story is an original. If certain names or places that sound similar, it's pure coincidence]