Question: What were the final components of Greek spirits that controlled the fate of souls? 
Sentence (from "Moirai"): In Greek mythology, the Moirai or Moerae or (Ancient Greek: Μοῖραι , "apportioners"), often known in English as the Fates (Latin: "Fatae" ), were the white-robed incarnations of destiny; their Roman equivalent was the Parcae (euphemistically the "sparing ones").
Relevant evidence: No