sentences:  Tancredi reveals he is really Scaroth, a member of the Jagaroth race.They had arrived on Earth 400 million years ago, but due to an explosion in their craft, all of the others died and his own body was fragmented across time.Collectively, the fragments of Scaroth have manipulated humanity so that by the 20th century, they will have technology that will enable him to go back in time to stop the explosion.