History of Kairos Function Mark

Overview

The Kairos Function Mark is a Legendary Titan Mark Armor piece. It is associated with the Vex faction.

"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"

Acquisition

The mark can be obtained from Xûr. It cannot be reacquired from Collections.