sentences:  During a flashback, it is revealed that Osiris attempted to return to the Teen Titans, only to leave in anger after being told by Wonder Girl to turn himself over to the authorities for killing Persuader.Angered when he discovers that he does not possess the power to restore his loved ones, Osiris enlists in Deathstroke's new team of hoping that the mercenary will be able to help him in his goal.During his first mission with the team, Osiris assists in the murder of Ryan Choi, the fourth Atom.