The Dark Side of the Sun

For Dom Sabalos, heir to an immensely rich family, its forecasts were curiously contradictory: he would be assassinated, andafter that, find the fabulous, almost mythical, world of the Jokers, who were only known by a few incredible artifacts scattered throughout the Galaxy. Any good P-Mathematician could find out this information. Somebody certainly wanted to prove P-Math wrong as far as Dom was concerned, and make sure that once he was dead, he stayed dead. A robot assassin, with built-in 'luck', had been put on his tail, but what was it that protected Dom every time the assassin struck?...