Kairos Function

  1. “Future War Cult has an artifact they call ‘The Device’ which may be Vex in origin.” —Sister Faora, “Theories on the Vex”
  2. “Vex structures on Venus and Mercury predate the Golden Age, and possibly Humanity itself.” —Sister Faora, “Theories on the Vex”
  3. “Multiple analyses confirm: the milky radiolarian fluid found in Vex chassis is organic in nature.” —Sister Faora, “Theories on the Vex”
  4. “If the Vex had achieved what we would call ‘time travel,’ surely none of us would now exist.” —Sister Faora, “Theories on the Vex”
  5. “Some speculate that the radiolarian fluid is the last vestige of a biological life-form that became the Vex.” —Sister Faora, “Theories on the Vex”



  • Propitious moment for decision or action
  • Ancient Greek word meaning the right or opportune moment (the supreme moment)
  • The ancient Greeks had two words for time, chronos and kairos
  • Refers to chronological or sequential time, a time lapse, a moment of indeterminate time in which everything happens
  • What is happening when referring to kairos depends on who is using the word

Funtion: thing dependent on another factor or factors

  • In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Expanded info: