After he gained power, he was appointed Dictator under the Lex Valeria and for the first time in Roman history the duration of his dictatorship wasn't limited.  
Supposedly a mystic told him that he would attain greatness and die at the very height of his fortune.  After he gained power, he was appointed Dictator under the Lex Valeria and for the first time in Roman history the duration of his dictatorship wasn't limited.  His career began as a quaestor under his rival in 107 BCE, who he later would feud with over his capture of King Jurgurtha of the Numidians.  FTP, name this Roman statesman who gave himself the name Felix, victor of a Roman civil war from 88-82 BCE, defeating Gaius Marius.
Supposedly a mystic told him that he would attain greatness and die at the very height of his fortune.  
Lucius Cornelius Sulla Felix